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TRUCKEE RIVER - BELOW DERBY DAM (TBDN2)
| Latitude: 39.58º N | Longitude: 119.44º W | Elevation: 4200 Feet | | Forecast Type: Unofficial Location |
| Location: Storey County in Nevada | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
| Issuance Time: | Mar 29 2026 at 8:15 AM PDT | Next Issuance: | Mar 30 2026 at 9:00 AM PDT
| |
| Action/Monitor: 10.0 Feet | Minor Flood: 11.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Truckee River - Below Derby Dam (TBDN2)
#
# File Generation Time: 03/29/2026 at 08:18 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/24/2026 at 05:00 PM PDT
# Maximum Observed Stage: 4.21 Feet
# Maximum Observed Flow: 949 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/01/2026 at 05:00 PM PDT
# Maximum Forecast Stage: 4.78 Feet
# Maximum Forecast Flow: 1255 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/24/2026 08 AM PDT 3.94 820 Normal
03/24/2026 09 AM PDT 3.96 830 + Normal
03/24/2026 10 AM PDT 3.98 839 + Normal
03/24/2026 11 AM PDT 3.99 843 + Normal
03/24/2026 12 PM PDT 4.04 867 + Normal
03/24/2026 01 PM PDT 4.10 895 + Normal
03/24/2026 02 PM PDT 4.13 910 + Normal
03/24/2026 03 PM PDT 4.21 949 + Normal
03/24/2026 04 PM PDT 4.20 944 - Normal
03/24/2026 05 PM PDT 4.21 949 + Normal
03/24/2026 06 PM PDT 4.18 934 - Normal
03/24/2026 07 PM PDT 4.17 929 - Normal
03/24/2026 08 PM PDT 4.13 910 - Normal
03/24/2026 09 PM PDT 4.18 934 + Normal
03/24/2026 10 PM PDT 4.18 934 0 Normal
03/24/2026 11 PM PDT 4.14 915 - Normal
03/25/2026 12 AM PDT 4.10 895 - Normal
03/25/2026 01 AM PDT 4.07 881 - Normal
03/25/2026 02 AM PDT 4.04 867 - Normal
03/25/2026 03 AM PDT 3.99 843 - Normal
03/25/2026 04 AM PDT 3.93 816 - Normal
03/25/2026 05 AM PDT 3.91 807 - Normal
03/25/2026 06 AM PDT 3.95 825 + Normal
03/25/2026 07 AM PDT 3.95 825 0 Normal
03/25/2026 08 AM PDT 3.98 839 + Normal
03/25/2026 09 AM PDT 3.97 834 - Normal
03/25/2026 10 AM PDT 3.87 789 - Normal
03/25/2026 11 AM PDT 4.02 857 + Normal
03/25/2026 12 PM PDT 4.08 886 + Normal
03/25/2026 01 PM PDT 3.96 830 - Normal
03/25/2026 02 PM PDT 3.97 834 + Normal
03/25/2026 03 PM PDT 3.99 843 + Normal
03/25/2026 04 PM PDT 3.99 843 0 Normal
03/25/2026 05 PM PDT 3.99 843 0 Normal
03/25/2026 06 PM PDT 3.97 834 - Normal
03/25/2026 07 PM PDT 3.98 839 + Normal
03/25/2026 08 PM PDT 3.94 820 - Normal
03/25/2026 09 PM PDT 3.93 816 - Normal
03/25/2026 10 PM PDT 3.92 811 - Normal
03/25/2026 11 PM PDT 3.87 789 - Normal
03/26/2026 12 AM PDT 3.86 784 - Normal
03/26/2026 01 AM PDT 3.86 784 0 Normal
03/26/2026 02 AM PDT 3.81 762 - Normal
03/26/2026 03 AM PDT 3.82 766 + Normal
03/26/2026 04 AM PDT 3.85 780 + Normal
03/26/2026 05 AM PDT 3.90 802 + Normal
03/26/2026 06 AM PDT 3.94 820 + Normal
03/26/2026 07 AM PDT 3.94 820 0 Normal
03/26/2026 08 AM PDT 3.96 830 + Normal
03/26/2026 09 AM PDT 3.97 834 + Normal
03/26/2026 10 AM PDT 3.94 820 - Normal
03/26/2026 11 AM PDT 4.00 848 + Normal
03/26/2026 12 PM PDT 3.97 834 - Normal
03/26/2026 01 PM PDT 3.96 830 - Normal
03/26/2026 02 PM PDT 3.95 825 - Normal
03/26/2026 03 PM PDT 3.97 834 + Normal
03/26/2026 04 PM PDT 3.95 825 - Normal
03/26/2026 05 PM PDT 3.95 825 0 Normal
03/26/2026 06 PM PDT 3.96 830 + Normal
03/26/2026 07 PM PDT 3.95 825 - Normal
03/26/2026 08 PM PDT 3.93 816 - Normal
03/26/2026 09 PM PDT 3.93 816 0 Normal
03/26/2026 10 PM PDT 3.92 811 - Normal
03/26/2026 11 PM PDT 3.93 816 + Normal
03/27/2026 12 AM PDT 3.94 820 + Normal
03/27/2026 01 AM PDT 3.94 820 0 Normal
03/27/2026 02 AM PDT 3.93 816 - Normal
03/27/2026 03 AM PDT 3.94 820 + Normal
03/27/2026 04 AM PDT 3.94 820 0 Normal
03/27/2026 05 AM PDT 3.90 802 - Normal
03/27/2026 06 AM PDT 3.90 802 0 Normal
03/27/2026 07 AM PDT 3.88 793 - Normal
03/27/2026 08 AM PDT 3.87 789 - Normal
03/27/2026 09 AM PDT 3.90 802 + Normal
03/27/2026 10 AM PDT 3.94 820 + Normal
03/27/2026 11 AM PDT 4.00 848 + Normal
03/27/2026 12 PM PDT 4.01 853 + Normal
03/27/2026 01 PM PDT 3.99 843 - Normal
03/27/2026 02 PM PDT 3.94 820 - Normal
03/27/2026 03 PM PDT 3.94 820 0 Normal
03/27/2026 04 PM PDT 3.93 816 - Normal
03/27/2026 05 PM PDT 3.92 811 - Normal
03/27/2026 06 PM PDT 3.94 820 + Normal
03/27/2026 07 PM PDT 3.93 816 - Normal
03/27/2026 08 PM PDT 3.92 811 - Normal
03/27/2026 09 PM PDT 3.92 811 0 Normal
03/27/2026 10 PM PDT 3.90 802 - Normal
03/27/2026 11 PM PDT 3.91 807 + Normal
03/28/2026 12 AM PDT 3.89 798 - Normal
03/28/2026 01 AM PDT 3.87 789 - Normal
03/28/2026 02 AM PDT 3.87 789 0 Normal
03/28/2026 03 AM PDT 3.85 780 - Normal
03/28/2026 04 AM PDT 3.87 789 + Normal
03/28/2026 05 AM PDT 3.92 811 + Normal
03/28/2026 06 AM PDT 4.02 857 + Normal
03/28/2026 07 AM PDT 4.05 872 + Normal
03/28/2026 08 AM PDT 4.08 886 + Normal
03/28/2026 09 AM PDT 4.06 876 - Normal
03/28/2026 10 AM PDT 4.10 895 + Normal
03/28/2026 11 AM PDT 4.11 900 + Normal
03/28/2026 12 PM PDT 4.11 900 0 Normal
03/28/2026 01 PM PDT 4.06 876 - Normal
03/28/2026 02 PM PDT 4.04 867 - Normal
03/28/2026 03 PM PDT 4.05 872 + Normal
03/28/2026 04 PM PDT 4.07 881 + Normal
03/28/2026 05 PM PDT 4.07 881 0 Normal
03/28/2026 06 PM PDT 4.08 886 + Normal
03/28/2026 07 PM PDT 4.07 881 - Normal
03/28/2026 08 PM PDT 4.07 881 0 Normal
03/28/2026 09 PM PDT 4.06 876 - Normal
03/28/2026 10 PM PDT 4.04 867 - Normal
03/28/2026 11 PM PDT 4.03 862 - Normal
03/29/2026 12 AM PDT 4.02 857 - Normal
03/29/2026 01 AM PDT 4.04 867 + Normal
03/29/2026 02 AM PDT 4.03 862 - Normal
03/29/2026 03 AM PDT 4.00 848 - Normal
03/29/2026 04 AM PDT 3.99 843 - Normal
03/29/2026 05 AM PDT 4.05 872 + Normal
03/29/2026 06 AM PDT 4.09 891 + Normal
03/29/2026 07 AM PDT 4.14 915 + Normal
03/29/2026 08 AM PDT 4.17 929 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/29/2026 09 AM PDT 4.18 934 Normal
03/29/2026 10 AM PDT 4.19 939 + Normal
03/29/2026 11 AM PDT 4.21 949 + Normal
03/29/2026 12 PM PDT 4.23 959 + Normal
03/29/2026 01 PM PDT 4.25 969 + Normal
03/29/2026 02 PM PDT 4.27 979 + Normal
03/29/2026 03 PM PDT 4.28 984 + Normal
03/29/2026 04 PM PDT 4.29 989 + Normal
03/29/2026 05 PM PDT 4.30 994 + Normal
03/29/2026 06 PM PDT 4.30 994 0 Normal
03/29/2026 07 PM PDT 4.31 999 + Normal
03/29/2026 08 PM PDT 4.32 1004 + Normal
03/29/2026 09 PM PDT 4.33 1009 + Normal
03/29/2026 10 PM PDT 4.33 1009 0 Normal
03/29/2026 11 PM PDT 4.34 1014 + Normal
03/30/2026 12 AM PDT 4.35 1019 + Normal
03/30/2026 01 AM PDT 4.35 1019 0 Normal
03/30/2026 02 AM PDT 4.35 1019 0 Normal
03/30/2026 03 AM PDT 4.35 1019 0 Normal
03/30/2026 04 AM PDT 4.35 1019 0 Normal
03/30/2026 05 AM PDT 4.35 1019 0 Normal
03/30/2026 06 AM PDT 4.35 1019 0 Normal
03/30/2026 07 AM PDT 4.35 1019 0 Normal
03/30/2026 08 AM PDT 4.35 1019 0 Normal
03/30/2026 09 AM PDT 4.36 1025 + Normal
03/30/2026 10 AM PDT 4.37 1030 + Normal
03/30/2026 11 AM PDT 4.37 1030 0 Normal
03/30/2026 12 PM PDT 4.38 1035 + Normal
03/30/2026 01 PM PDT 4.39 1040 + Normal
03/30/2026 02 PM PDT 4.39 1040 0 Normal
03/30/2026 03 PM PDT 4.40 1045 + Normal
03/30/2026 04 PM PDT 4.40 1045 0 Normal
03/30/2026 05 PM PDT 4.40 1045 0 Normal
03/30/2026 06 PM PDT 4.40 1045 0 Normal
03/30/2026 07 PM PDT 4.40 1045 0 Normal
03/30/2026 08 PM PDT 4.40 1045 0 Normal
03/30/2026 09 PM PDT 4.40 1045 0 Normal
03/30/2026 10 PM PDT 4.40 1045 0 Normal
03/30/2026 11 PM PDT 4.39 1040 - Normal
03/31/2026 12 AM PDT 4.38 1035 - Normal
03/31/2026 01 AM PDT 4.38 1035 0 Normal
03/31/2026 02 AM PDT 4.37 1030 - Normal
03/31/2026 03 AM PDT 4.36 1025 - Normal
03/31/2026 04 AM PDT 4.35 1019 - Normal
03/31/2026 05 AM PDT 4.35 1019 0 Normal
03/31/2026 06 AM PDT 4.34 1014 - Normal
03/31/2026 07 AM PDT 4.34 1014 0 Normal
03/31/2026 08 AM PDT 4.33 1009 - Normal
03/31/2026 09 AM PDT 4.33 1009 0 Normal
03/31/2026 10 AM PDT 4.33 1009 0 Normal
03/31/2026 11 AM PDT 4.34 1014 + Normal
03/31/2026 12 PM PDT 4.34 1014 0 Normal
03/31/2026 01 PM PDT 4.34 1014 0 Normal
03/31/2026 02 PM PDT 4.34 1014 0 Normal
03/31/2026 03 PM PDT 4.34 1014 0 Normal
03/31/2026 04 PM PDT 4.35 1019 + Normal
03/31/2026 05 PM PDT 4.35 1019 0 Normal
03/31/2026 06 PM PDT 4.35 1019 0 Normal
03/31/2026 07 PM PDT 4.35 1019 0 Normal
03/31/2026 08 PM PDT 4.35 1019 0 Normal
03/31/2026 09 PM PDT 4.36 1025 + Normal
03/31/2026 10 PM PDT 4.36 1025 0 Normal
03/31/2026 11 PM PDT 4.37 1030 + Normal
04/01/2026 12 AM PDT 4.37 1030 0 Normal
04/01/2026 01 AM PDT 4.37 1030 0 Normal
04/01/2026 02 AM PDT 4.37 1030 0 Normal
04/01/2026 03 AM PDT 4.37 1030 0 Normal
04/01/2026 04 AM PDT 4.37 1030 0 Normal
04/01/2026 05 AM PDT 4.37 1030 0 Normal
04/01/2026 06 AM PDT 4.38 1035 + Normal
04/01/2026 07 AM PDT 4.39 1040 + Normal
04/01/2026 08 AM PDT 4.42 1056 + Normal
04/01/2026 09 AM PDT 4.46 1077 + Normal
04/01/2026 10 AM PDT 4.51 1103 + Normal
04/01/2026 11 AM PDT 4.57 1136 + Normal
04/01/2026 12 PM PDT 4.63 1169 + Normal
04/01/2026 01 PM PDT 4.68 1197 + Normal
04/01/2026 02 PM PDT 4.72 1219 + Normal
04/01/2026 03 PM PDT 4.75 1236 + Normal
04/01/2026 04 PM PDT 4.77 1249 + Normal
04/01/2026 05 PM PDT 4.78 1255 + Normal
04/01/2026 06 PM PDT 4.78 1255 0 Normal
04/01/2026 07 PM PDT 4.78 1255 0 Normal
04/01/2026 08 PM PDT 4.77 1249 - Normal
04/01/2026 09 PM PDT 4.76 1242 - Normal
04/01/2026 10 PM PDT 4.74 1230 - Normal
04/01/2026 11 PM PDT 4.72 1219 - Normal
04/02/2026 12 AM PDT 4.69 1202 - Normal
04/02/2026 01 AM PDT 4.67 1191 - Normal
04/02/2026 02 AM PDT 4.65 1180 - Normal
04/02/2026 03 AM PDT 4.63 1169 - Normal
04/02/2026 04 AM PDT 4.61 1158 - Normal
04/02/2026 05 AM PDT 4.60 1152 - Normal
04/02/2026 06 AM PDT 4.59 1147 - Normal
04/02/2026 07 AM PDT 4.59 1147 0 Normal
04/02/2026 08 AM PDT 4.58 1141 - Normal
04/02/2026 09 AM PDT 4.59 1147 + Normal
04/02/2026 10 AM PDT 4.59 1147 0 Normal
04/02/2026 11 AM PDT 4.60 1152 + Normal
04/02/2026 12 PM PDT 4.61 1158 + Normal
04/02/2026 01 PM PDT 4.62 1163 + Normal
04/02/2026 02 PM PDT 4.64 1174 + Normal
04/02/2026 03 PM PDT 4.66 1185 + Normal
04/02/2026 04 PM PDT 4.67 1191 + Normal
04/02/2026 05 PM PDT 4.69 1202 + Normal
04/02/2026 06 PM PDT 4.71 1213 + Normal
04/02/2026 07 PM PDT 4.71 1213 0 Normal
04/02/2026 08 PM PDT 4.71 1213 0 Normal
04/02/2026 09 PM PDT 4.70 1208 - Normal
04/02/2026 10 PM PDT 4.68 1197 - Normal
04/02/2026 11 PM PDT 4.65 1180 - Normal
04/03/2026 12 AM PDT 4.63 1169 - Normal
04/03/2026 01 AM PDT 4.61 1158 - Normal
04/03/2026 02 AM PDT 4.59 1147 - Normal
04/03/2026 03 AM PDT 4.57 1136 - Normal
04/03/2026 04 AM PDT 4.55 1125 - Normal
04/03/2026 05 AM PDT 4.53 1114 - 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.
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