DRY CREEK - GEYSERVILLE (DGYC1)
Latitude: 38.70º NLongitude: 122.96º WElevation: 158 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Dec 26 2025 at 1:28 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: 10.0 FeetMinor Flood: 15.0 FeetModerate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Dry Creek - Geyserville (DGYC1)
#
# File Generation Time:  12/26/2025 at 01:29 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/21/2025 at 09:00 PM PST
# Maximum Observed Stage:                       6.37 Feet
# Maximum Observed Flow:                        1586 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 07:00 PM PST
# Maximum Forecast Stage:                       4.12 Feet
# Maximum Forecast Flow:                        788 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 01 PM PST            2.46            347                        Normal
  12/21/2025 02 PM PST            2.74            413         +              Normal
  12/21/2025 03 PM PST            3.36            573         +              Normal
  12/21/2025 04 PM PST            4.29            840         +              Normal
  12/21/2025 05 PM PST            5.04           1080         +              Normal
  12/21/2025 06 PM PST            5.46           1229         +              Normal
  12/21/2025 07 PM PST            5.96           1420         +              Normal
  12/21/2025 08 PM PST            6.34           1573         +              Normal
  12/21/2025 09 PM PST            6.37           1586         +              Normal
  12/21/2025 10 PM PST            6.09           1472         -              Normal
  12/21/2025 11 PM PST            5.85           1377         -              Normal
  12/22/2025 12 AM PST            5.65           1301         -              Normal
  12/22/2025 01 AM PST            5.23           1145         -              Normal
  12/22/2025 02 AM PST            4.93           1043         -              Normal
  12/22/2025 03 AM PST            4.63            946         -              Normal
  12/22/2025 04 AM PST            4.34            855         -              Normal
  12/22/2025 05 AM PST            4.05            767         -              Normal
  12/22/2025 06 AM PST            3.79            692         -              Normal
  12/22/2025 07 AM PST            3.54            622         -              Normal
  12/22/2025 08 AM PST            3.36            573         -              Normal
  12/22/2025 09 AM PST            3.20            530         -              Normal
  12/22/2025 10 AM PST            3.06            493         -              Normal
  12/22/2025 11 AM PST            2.94            462         -              Normal
  12/22/2025 12 PM PST            2.82            432         -              Normal
  12/22/2025 01 PM PST            2.76            417         -              Normal
  12/22/2025 02 PM PST            2.65            391         -              Normal
  12/22/2025 03 PM PST            2.56            370         -              Normal
  12/22/2025 04 PM PST            2.48            351         -              Normal
  12/22/2025 05 PM PST            2.44            342         -              Normal
  12/22/2025 06 PM PST            2.38            329         -              Normal
  12/22/2025 07 PM PST            2.34            320         -              Normal
  12/22/2025 08 PM PST            2.30            311         -              Normal
  12/22/2025 09 PM PST            2.29            309         -              Normal
  12/22/2025 10 PM PST            2.26            303         -              Normal
  12/22/2025 11 PM PST            2.22            294         -              Normal
  12/23/2025 12 AM PST            2.18            286         -              Normal
  12/23/2025 01 AM PST            2.15            279         -              Normal
  12/23/2025 02 AM PST            2.10            269         -              Normal
  12/23/2025 03 AM PST            2.08            265         -              Normal
  12/23/2025 04 AM PST            2.06            261         -              Normal
  12/23/2025 05 AM PST            2.04            257         -              Normal
  12/23/2025 06 AM PST            2.04            257         0              Normal
  12/23/2025 07 AM PST            2.02            253         -              Normal
  12/23/2025 08 AM PST            2.02            253         0              Normal
  12/23/2025 09 AM PST            2.02            253         0              Normal
  12/23/2025 10 AM PST            2.02            253         0              Normal
  12/23/2025 11 AM PST            2.02            253         0              Normal
  12/23/2025 12 PM PST            2.04            257         +              Normal
  12/23/2025 01 PM PST            2.06            261         +              Normal
  12/23/2025 02 PM PST            2.08            265         +              Normal
  12/23/2025 03 PM PST            2.13            275         +              Normal
  12/23/2025 04 PM PST            2.18            286         +              Normal
  12/23/2025 05 PM PST            2.23            296         +              Normal
  12/23/2025 06 PM PST            2.27            305         +              Normal
  12/23/2025 07 PM PST            2.29            309         +              Normal
  12/23/2025 08 PM PST            2.34            320         +              Normal
  12/23/2025 09 PM PST            2.44            342         +              Normal
  12/23/2025 10 PM PST            2.67            396         +              Normal
  12/23/2025 11 PM PST            3.04            487         +              Normal
  12/24/2025 12 AM PST            3.66            655         +              Normal
  12/24/2025 01 AM PST            4.38            868         +              Normal
  12/24/2025 02 AM PST            5.09           1097         +              Normal
  12/24/2025 03 AM PST            5.47           1233         +              Normal
  12/24/2025 04 AM PST            5.65           1301         +              Normal
  12/24/2025 05 AM PST            5.63           1293         -              Normal
  12/24/2025 06 AM PST            5.45           1225         -              Normal
  12/24/2025 07 AM PST            5.17           1124         -              Normal
  12/24/2025 08 AM PST            4.87           1023         -              Normal
  12/24/2025 09 AM PST            4.54            917         -              Normal
  12/24/2025 10 AM PST            4.29            840         -              Normal
  12/24/2025 11 AM PST            4.04            765         -              Normal
  12/24/2025 12 PM PST            3.86            712         -              Normal
  12/24/2025 01 PM PST            3.70            666         -              Normal
  12/24/2025 02 PM PST            3.54            622         -              Normal
  12/24/2025 03 PM PST            3.42            589         -              Normal
  12/24/2025 04 PM PST            3.32            562         -              Normal
  12/24/2025 05 PM PST            3.23            538         -              Normal
  12/24/2025 06 PM PST            3.16            519         -              Normal
  12/24/2025 07 PM PST            3.12            508         -              Normal
  12/24/2025 08 PM PST            3.22            535         +              Normal
  12/24/2025 09 PM PST            3.42            589         +              Normal
  12/24/2025 10 PM PST            3.76            683         +              Normal
  12/24/2025 11 PM PST            4.15            797         +              Normal
  12/25/2025 12 AM PST            4.18            806         +              Normal
  12/25/2025 01 AM PST            4.29            840         +              Normal
  12/25/2025 02 AM PST            4.48            899         +              Normal
  12/25/2025 03 AM PST            4.96           1053         +              Normal
  12/25/2025 04 AM PST            5.47           1233         +              Normal
  12/25/2025 05 AM PST            5.83           1370         +              Normal
  12/25/2025 06 AM PST            5.90           1397         +              Normal
  12/25/2025 07 AM PST            5.54           1259         -              Normal
  12/25/2025 08 AM PST            5.28           1163         -              Normal
  12/25/2025 09 AM PST            5.08           1093         -              Normal
  12/25/2025 10 AM PST            4.95           1050         -              Normal
  12/25/2025 11 AM PST            4.83           1011         -              Normal
  12/25/2025 12 PM PST            4.87           1023         +              Normal
  12/25/2025 01 PM PST            5.09           1097         +              Normal
  12/25/2025 02 PM PST            5.07           1090         -              Normal
  12/25/2025 03 PM PST            5.01           1070         -              Normal
  12/25/2025 04 PM PST            4.84           1014         -              Normal
  12/25/2025 05 PM PST            4.71            971         -              Normal
  12/25/2025 06 PM PST            4.67            958         -              Normal
  12/25/2025 07 PM PST            4.73            978         +              Normal
  12/25/2025 08 PM PST            4.81           1004         +              Normal
  12/25/2025 09 PM PST            4.90           1033         +              Normal
  12/25/2025 10 PM PST            4.92           1040         +              Normal
  12/25/2025 11 PM PST            4.90           1033         -              Normal
  12/26/2025 12 AM PST            4.83           1011         -              Normal
  12/26/2025 01 AM PST            4.71            971         -              Normal
  12/26/2025 02 AM PST            4.54            917         -              Normal
  12/26/2025 03 AM PST            4.40            874         -              Normal
  12/26/2025 04 AM PST            4.25            827         -              Normal
  12/26/2025 05 AM PST            4.15            797         -              Normal
  12/26/2025 06 AM PST            4.05            767         -              Normal
  12/26/2025 07 AM PST            4.00            753         -              Normal
  12/26/2025 08 AM PST            3.96            741         -              Normal
  12/26/2025 09 AM PST            3.94            736         -              Normal
  12/26/2025 10 AM PST            3.92            730         -              Normal
  12/26/2025 11 AM PST            3.92            730         0              Normal
  12/26/2025 12 PM PST            3.98            747         +              Normal
  12/26/2025 01 PM PST            3.96            741         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST            3.97            744                        Normal
  12/26/2025 03 PM PST            4.00            753         +              Normal
  12/26/2025 04 PM PST            4.05            767         +              Normal
  12/26/2025 05 PM PST            4.08            776         +              Normal
  12/26/2025 06 PM PST            4.11            785         +              Normal
  12/26/2025 07 PM PST            4.12            788         +              Normal
  12/26/2025 08 PM PST            4.09            779         -              Normal
  12/26/2025 09 PM PST            4.02            759         -              Normal
  12/26/2025 10 PM PST            3.94            736         -              Normal
  12/26/2025 11 PM PST            3.88            718         -              Normal
  12/27/2025 12 AM PST            3.83            704         -              Normal
  12/27/2025 01 AM PST            3.81            698         -              Normal
  12/27/2025 02 AM PST            3.77            686         -              Normal
  12/27/2025 03 AM PST            3.70            666         -              Normal
  12/27/2025 04 AM PST            3.63            647         -              Normal
  12/27/2025 05 AM PST            3.57            631         -              Normal
  12/27/2025 06 AM PST            3.53            619         -              Normal
  12/27/2025 07 AM PST            3.51            614         -              Normal
  12/27/2025 08 AM PST            3.48            606         -              Normal
  12/27/2025 09 AM PST            3.42            589         -              Normal
  12/27/2025 10 AM PST            3.36            573         -              Normal
  12/27/2025 11 AM PST            3.31            560         -              Normal
  12/27/2025 12 PM PST            3.29            554         -              Normal
  12/27/2025 01 PM PST            3.27            549         -              Normal
  12/27/2025 02 PM PST            3.24            541         -              Normal
  12/27/2025 03 PM PST            3.19            527         -              Normal
  12/27/2025 04 PM PST            3.14            514         -              Normal
  12/27/2025 05 PM PST            3.10            503         -              Normal
  12/27/2025 06 PM PST            3.08            498         -              Normal
  12/27/2025 07 PM PST            3.06            493         -              Normal
  12/27/2025 08 PM PST            3.04            487         -              Normal
  12/27/2025 09 PM PST            3.00            477         -              Normal
  12/27/2025 10 PM PST            2.96            467         -              Normal
  12/27/2025 11 PM PST            2.92            457         -              Normal
  12/28/2025 12 AM PST            2.90            452         -              Normal
  12/28/2025 01 AM PST            2.89            449         -              Normal
  12/28/2025 02 AM PST            2.87            444         -              Normal
  12/28/2025 03 AM PST            2.83            434         -              Normal
  12/28/2025 04 AM PST            2.80            427         -              Normal
  12/28/2025 05 AM PST            2.77            420         -              Normal
  12/28/2025 06 AM PST            2.75            415         -              Normal
  12/28/2025 07 AM PST            2.74            413         -              Normal
  12/28/2025 08 AM PST            2.72            408         -              Normal
  12/28/2025 09 AM PST            2.69            401         -              Normal
  12/28/2025 10 AM PST            2.67            396         -              Normal
  12/28/2025 11 AM PST            2.64            389         -              Normal
  12/28/2025 12 PM PST            2.63            386         -              Normal
  12/28/2025 01 PM PST            2.62            384         -              Normal
  12/28/2025 02 PM PST            2.60            379         -              Normal
  12/28/2025 03 PM PST            2.58            374         -              Normal
  12/28/2025 04 PM PST            2.55            367         -              Normal
  12/28/2025 05 PM PST            2.53            363         -              Normal
  12/28/2025 06 PM PST            2.51            358         -              Normal
  12/28/2025 07 PM PST            2.50            356         -              Normal
  12/28/2025 08 PM PST            2.49            354         -              Normal
  12/28/2025 09 PM PST            2.47            349         -              Normal
  12/28/2025 10 PM PST            2.45            344         -              Normal
  12/28/2025 11 PM PST            2.43            340         -              Normal
  12/29/2025 12 AM PST            2.42            338         -              Normal
  12/29/2025 01 AM PST            2.42            338         0              Normal
  12/29/2025 02 AM PST            2.40            333         -              Normal
  12/29/2025 03 AM PST            2.39            331         -              Normal
  12/29/2025 04 AM PST            2.37            326         -              Normal
  12/29/2025 05 AM PST            2.36            324         -              Normal
  12/29/2025 06 AM PST            2.35            322         -              Normal
  12/29/2025 07 AM PST            2.34            320         -              Normal
  12/29/2025 08 AM PST            2.33            318         -              Normal
  12/29/2025 09 AM PST            2.32            315         -              Normal
  12/29/2025 10 AM PST            2.30            311         -              Normal
  12/29/2025 11 AM PST            2.29            309         -              Normal
  12/29/2025 12 PM PST            2.28            307         -              Normal
  12/29/2025 01 PM PST            2.28            307         0              Normal
  12/29/2025 02 PM PST            2.27            305         -              Normal
  12/29/2025 03 PM PST            2.26            303         -              Normal
  12/29/2025 04 PM PST            2.24            298         -              Normal
  12/29/2025 05 PM PST            2.23            296         -              Normal
  12/29/2025 06 PM PST            2.23            296         0              Normal
  12/29/2025 07 PM PST            2.22            294         -              Normal
  12/29/2025 08 PM PST            2.22            294         0              Normal
  12/29/2025 09 PM PST            2.20            290         -              Normal
  12/29/2025 10 PM PST            2.19            288         -              Normal
  12/29/2025 11 PM PST            2.18            286         -              Normal
  12/30/2025 12 AM PST            2.18            286         0              Normal
  12/30/2025 01 AM PST            2.17            284         -              Normal
  12/30/2025 02 AM PST            2.17            284         0              Normal
  12/30/2025 03 AM PST            2.16            282         -              Normal
  12/30/2025 04 AM PST            2.15            279         -              Normal
  12/30/2025 05 AM PST            2.14            277         -              Normal
  12/30/2025 06 AM PST            2.13            275         -              Normal
  12/30/2025 07 AM PST            2.13            275         0              Normal
  12/30/2025 08 AM PST            2.13            275         0              Normal
  12/30/2025 09 AM PST            2.12            273         -              Normal
  12/30/2025 10 AM PST            2.11            271         -              Normal
  12/30/2025 11 AM PST            2.10            269         -              Normal
  12/30/2025 12 PM PST            2.10            269         0              Normal
  12/30/2025 01 PM PST            2.09            267         -              Normal
  12/30/2025 02 PM PST            2.09            267         0              Normal
  12/30/2025 03 PM PST            2.08            265         -              Normal
  12/30/2025 04 PM PST            2.07            263         -              Normal
  12/30/2025 05 PM PST            2.07            263         0              Normal
  12/30/2025 06 PM PST            2.06            261         -              Normal
  12/30/2025 07 PM PST            2.06            261         0              Normal
  12/30/2025 08 PM PST            2.05            259         -              Normal
  12/30/2025 09 PM PST            2.05            259         0              Normal
  12/30/2025 10 PM PST            2.04            257         -              Normal
  12/30/2025 11 PM PST            2.03            255         -              Normal
  12/31/2025 12 AM PST            2.03            255         0              Normal
  12/31/2025 01 AM PST            2.03            255         0              Normal
  12/31/2025 02 AM PST            2.02            253         -              Normal
  12/31/2025 03 AM PST            2.01            251         -              Normal
  12/31/2025 04 AM PST            2.01            251         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.