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KLAMATH RIVER - SEIAD VALLEY (SEIC1)
| Latitude: 41.85º N | Longitude: 123.23º W | Elevation: 1320 Feet | | Forecast Type: Official Location |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Jun 20 2026 at 8:15 AM PDT | Next Issuance: | Jun 21 2026 at 9:00 AM PDT
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| Action/Monitor: 13.0 Feet | Minor Flood: 15.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 28.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Seiad Valley (SEIC1)
#
# File Generation Time: 06/20/2026 at 08:15 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/15/2026 at 07:00 PM PDT
# Maximum Observed Stage: 2.42 Feet
# Maximum Observed Flow: 1412 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/20/2026 at 10:00 AM PDT
# Maximum Forecast Stage: 1.43 Feet
# Maximum Forecast Flow: 793 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/15/2026 08 AM PDT 2.41 1404 Normal
06/15/2026 09 AM PDT 2.41 1404 0 Normal
06/15/2026 10 AM PDT 2.41 1404 0 Normal
06/15/2026 11 AM PDT 2.42 1412 + Normal
06/15/2026 12 PM PDT 2.42 1412 0 Normal
06/15/2026 01 PM PDT 2.42 1412 0 Normal
06/15/2026 02 PM PDT 2.42 1412 0 Normal
06/15/2026 03 PM PDT 2.42 1412 0 Normal
06/15/2026 04 PM PDT 2.42 1412 0 Normal
06/15/2026 05 PM PDT 2.42 1412 0 Normal
06/15/2026 06 PM PDT 2.42 1412 0 Normal
06/15/2026 07 PM PDT 2.42 1412 0 Normal
06/15/2026 08 PM PDT 2.41 1404 - Normal
06/15/2026 09 PM PDT 2.41 1404 0 Normal
06/15/2026 10 PM PDT 2.41 1404 0 Normal
06/15/2026 11 PM PDT 2.41 1404 0 Normal
06/16/2026 12 AM PDT 2.40 1397 - Normal
06/16/2026 01 AM PDT 2.39 1390 - Normal
06/16/2026 02 AM PDT 2.38 1383 - Normal
06/16/2026 03 AM PDT 2.37 1376 - Normal
06/16/2026 04 AM PDT 2.36 1368 - Normal
06/16/2026 05 AM PDT 2.35 1361 - Normal
06/16/2026 06 AM PDT 2.34 1354 - Normal
06/16/2026 07 AM PDT 2.33 1347 - Normal
06/16/2026 08 AM PDT 2.31 1333 - Normal
06/16/2026 09 AM PDT 2.30 1326 - Normal
06/16/2026 10 AM PDT 2.29 1319 - Normal
06/16/2026 11 AM PDT 2.27 1305 - Normal
06/16/2026 12 PM PDT 2.26 1298 - Normal
06/16/2026 01 PM PDT 2.25 1291 - Normal
06/16/2026 02 PM PDT 2.24 1284 - Normal
06/16/2026 03 PM PDT 2.23 1277 - Normal
06/16/2026 04 PM PDT 2.21 1264 - Normal
06/16/2026 05 PM PDT 2.20 1257 - Normal
06/16/2026 06 PM PDT 2.19 1250 - Normal
06/16/2026 07 PM PDT 2.18 1243 - Normal
06/16/2026 08 PM PDT 2.17 1236 - Normal
06/16/2026 09 PM PDT 2.15 1223 - Normal
06/16/2026 10 PM PDT 2.14 1216 - Normal
06/16/2026 11 PM PDT 2.12 1203 - Normal
06/17/2026 12 AM PDT 2.11 1196 - Normal
06/17/2026 01 AM PDT 2.10 1190 - Normal
06/17/2026 02 AM PDT 2.09 1183 - Normal
06/17/2026 03 AM PDT 2.07 1170 - Normal
06/17/2026 04 AM PDT 2.06 1163 - Normal
06/17/2026 05 AM PDT 2.05 1157 - Normal
06/17/2026 06 AM PDT 2.04 1150 - Normal
06/17/2026 07 AM PDT 2.03 1144 - Normal
06/17/2026 08 AM PDT 2.02 1137 - Normal
06/17/2026 09 AM PDT 2.01 1131 - Normal
06/17/2026 10 AM PDT 1.99 1118 - Normal
06/17/2026 11 AM PDT 1.98 1112 - Normal
06/17/2026 12 PM PDT 1.97 1106 - Normal
06/17/2026 01 PM PDT 1.96 1099 - Normal
06/17/2026 02 PM PDT 1.95 1093 - Normal
06/17/2026 03 PM PDT 1.94 1087 - Normal
06/17/2026 04 PM PDT 1.92 1074 - Normal
06/17/2026 05 PM PDT 1.91 1068 - Normal
06/17/2026 06 PM PDT 1.89 1055 - Normal
06/17/2026 07 PM PDT 1.88 1049 - Normal
06/17/2026 08 PM PDT 1.86 1037 - Normal
06/17/2026 09 PM PDT 1.85 1031 - Normal
06/17/2026 10 PM PDT 1.84 1025 - Normal
06/17/2026 11 PM PDT 1.83 1019 - Normal
06/18/2026 12 AM PDT 1.82 1013 - Normal
06/18/2026 01 AM PDT 1.81 1007 - Normal
06/18/2026 02 AM PDT 1.80 1001 - Normal
06/18/2026 03 AM PDT 1.78 989 - Normal
06/18/2026 04 AM PDT 1.77 983 - Normal
06/18/2026 05 AM PDT 1.76 977 - Normal
06/18/2026 06 AM PDT 1.75 971 - Normal
06/18/2026 07 AM PDT 1.74 965 - Normal
06/18/2026 08 AM PDT 1.72 953 - Normal
06/18/2026 09 AM PDT 1.71 948 - Normal
06/18/2026 10 AM PDT 1.69 936 - Normal
06/18/2026 11 AM PDT 1.68 930 - Normal
06/18/2026 12 PM PDT 1.67 924 - Normal
06/18/2026 01 PM PDT 1.66 919 - Normal
06/18/2026 02 PM PDT 1.65 913 - Normal
06/18/2026 03 PM PDT 1.63 902 - Normal
06/18/2026 04 PM PDT 1.62 896 - Normal
06/18/2026 05 PM PDT 1.60 885 - Normal
06/18/2026 06 PM PDT 1.59 879 - Normal
06/18/2026 07 PM PDT 1.58 874 - Normal
06/18/2026 08 PM PDT 1.56 863 - Normal
06/18/2026 09 PM PDT 1.55 857 - Normal
06/18/2026 10 PM PDT 1.54 852 - Normal
06/18/2026 11 PM PDT 1.53 846 - Normal
06/19/2026 12 AM PDT 1.51 835 - Normal
06/19/2026 01 AM PDT 1.50 830 - Normal
06/19/2026 02 AM PDT 1.49 824 - Normal
06/19/2026 03 AM PDT 1.47 814 - Normal
06/19/2026 04 AM PDT 1.46 808 - Normal
06/19/2026 05 AM PDT 1.45 803 - Normal
06/19/2026 06 AM PDT 1.43 793 - Normal
06/19/2026 07 AM PDT 1.42 787 - Normal
06/19/2026 08 AM PDT 1.42 787 0 Normal
06/19/2026 09 AM PDT 1.42 787 0 Normal
06/19/2026 10 AM PDT 1.42 787 0 Normal
06/19/2026 11 AM PDT 1.42 787 0 Normal
06/19/2026 12 PM PDT 1.42 787 0 Normal
06/19/2026 01 PM PDT 1.42 787 0 Normal
06/19/2026 02 PM PDT 1.42 787 0 Normal
06/19/2026 03 PM PDT 1.42 787 0 Normal
06/19/2026 04 PM PDT 1.42 787 0 Normal
06/19/2026 05 PM PDT 1.42 787 0 Normal
06/19/2026 06 PM PDT 1.42 787 0 Normal
06/19/2026 07 PM PDT 1.42 787 0 Normal
06/19/2026 08 PM PDT 1.42 787 0 Normal
06/19/2026 09 PM PDT 1.42 787 0 Normal
06/19/2026 10 PM PDT 1.42 787 0 Normal
06/19/2026 11 PM PDT 1.42 787 0 Normal
06/20/2026 12 AM PDT 1.42 787 0 Normal
06/20/2026 01 AM PDT 1.42 787 0 Normal
06/20/2026 02 AM PDT 1.42 787 0 Normal
06/20/2026 03 AM PDT 1.42 787 0 Normal
06/20/2026 04 AM PDT 1.42 787 0 Normal
06/20/2026 05 AM PDT 1.42 787 0 Normal
06/20/2026 06 AM PDT 1.42 787 0 Normal
06/20/2026 07 AM PDT 1.42 787 0 Normal
06/20/2026 08 AM PDT 1.42 787 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/20/2026 09 AM PDT 1.42 787 Normal
06/20/2026 10 AM PDT 1.43 793 + Normal
06/20/2026 11 AM PDT 1.43 793 0 Normal
06/20/2026 12 PM PDT 1.43 793 0 Normal
06/20/2026 01 PM PDT 1.43 793 0 Normal
06/20/2026 02 PM PDT 1.43 793 0 Normal
06/20/2026 03 PM PDT 1.43 793 0 Normal
06/20/2026 04 PM PDT 1.43 793 0 Normal
06/20/2026 05 PM PDT 1.43 793 0 Normal
06/20/2026 06 PM PDT 1.43 793 0 Normal
06/20/2026 07 PM PDT 1.42 787 - Normal
06/20/2026 08 PM PDT 1.42 787 0 Normal
06/20/2026 09 PM PDT 1.42 787 0 Normal
06/20/2026 10 PM PDT 1.42 787 0 Normal
06/20/2026 11 PM PDT 1.42 787 0 Normal
06/21/2026 12 AM PDT 1.42 787 0 Normal
06/21/2026 01 AM PDT 1.42 787 0 Normal
06/21/2026 02 AM PDT 1.42 787 0 Normal
06/21/2026 03 AM PDT 1.42 787 0 Normal
06/21/2026 04 AM PDT 1.42 787 0 Normal
06/21/2026 05 AM PDT 1.42 787 0 Normal
06/21/2026 06 AM PDT 1.42 787 0 Normal
06/21/2026 07 AM PDT 1.42 787 0 Normal
06/21/2026 08 AM PDT 1.42 787 0 Normal
06/21/2026 09 AM PDT 1.41 782 - Normal
06/21/2026 10 AM PDT 1.41 782 0 Normal
06/21/2026 11 AM PDT 1.41 782 0 Normal
06/21/2026 12 PM PDT 1.41 782 0 Normal
06/21/2026 01 PM PDT 1.41 782 0 Normal
06/21/2026 02 PM PDT 1.41 782 0 Normal
06/21/2026 03 PM PDT 1.41 782 0 Normal
06/21/2026 04 PM PDT 1.41 782 0 Normal
06/21/2026 05 PM PDT 1.40 777 - Normal
06/21/2026 06 PM PDT 1.40 777 0 Normal
06/21/2026 07 PM PDT 1.40 777 0 Normal
06/21/2026 08 PM PDT 1.40 777 0 Normal
06/21/2026 09 PM PDT 1.40 777 0 Normal
06/21/2026 10 PM PDT 1.40 777 0 Normal
06/21/2026 11 PM PDT 1.40 777 0 Normal
06/22/2026 12 AM PDT 1.40 777 0 Normal
06/22/2026 01 AM PDT 1.39 772 - Normal
06/22/2026 02 AM PDT 1.39 772 0 Normal
06/22/2026 03 AM PDT 1.39 772 0 Normal
06/22/2026 04 AM PDT 1.39 772 0 Normal
06/22/2026 05 AM PDT 1.39 772 0 Normal
06/22/2026 06 AM PDT 1.39 772 0 Normal
06/22/2026 07 AM PDT 1.39 772 0 Normal
06/22/2026 08 AM PDT 1.39 772 0 Normal
06/22/2026 09 AM PDT 1.39 772 0 Normal
06/22/2026 10 AM PDT 1.39 772 0 Normal
06/22/2026 11 AM PDT 1.39 772 0 Normal
06/22/2026 12 PM PDT 1.39 772 0 Normal
06/22/2026 01 PM PDT 1.39 772 0 Normal
06/22/2026 02 PM PDT 1.39 772 0 Normal
06/22/2026 03 PM PDT 1.39 772 0 Normal
06/22/2026 04 PM PDT 1.39 772 0 Normal
06/22/2026 05 PM PDT 1.39 772 0 Normal
06/22/2026 06 PM PDT 1.39 772 0 Normal
06/22/2026 07 PM PDT 1.39 772 0 Normal
06/22/2026 08 PM PDT 1.39 772 0 Normal
06/22/2026 09 PM PDT 1.38 766 - Normal
06/22/2026 10 PM PDT 1.38 766 0 Normal
06/22/2026 11 PM PDT 1.38 766 0 Normal
06/23/2026 12 AM PDT 1.38 766 0 Normal
06/23/2026 01 AM PDT 1.38 766 0 Normal
06/23/2026 02 AM PDT 1.38 766 0 Normal
06/23/2026 03 AM PDT 1.38 766 0 Normal
06/23/2026 04 AM PDT 1.38 766 0 Normal
06/23/2026 05 AM PDT 1.38 766 0 Normal
06/23/2026 06 AM PDT 1.38 766 0 Normal
06/23/2026 07 AM PDT 1.38 766 0 Normal
06/23/2026 08 AM PDT 1.38 766 0 Normal
06/23/2026 09 AM PDT 1.38 766 0 Normal
06/23/2026 10 AM PDT 1.38 766 0 Normal
06/23/2026 11 AM PDT 1.38 766 0 Normal
06/23/2026 12 PM PDT 1.38 766 0 Normal
06/23/2026 01 PM PDT 1.38 766 0 Normal
06/23/2026 02 PM PDT 1.38 766 0 Normal
06/23/2026 03 PM PDT 1.38 766 0 Normal
06/23/2026 04 PM PDT 1.38 766 0 Normal
06/23/2026 05 PM PDT 1.38 766 0 Normal
06/23/2026 06 PM PDT 1.38 766 0 Normal
06/23/2026 07 PM PDT 1.38 766 0 Normal
06/23/2026 08 PM PDT 1.38 766 0 Normal
06/23/2026 09 PM PDT 1.38 766 0 Normal
06/23/2026 10 PM PDT 1.38 766 0 Normal
06/23/2026 11 PM PDT 1.38 766 0 Normal
06/24/2026 12 AM PDT 1.38 766 0 Normal
06/24/2026 01 AM PDT 1.38 766 0 Normal
06/24/2026 02 AM PDT 1.38 766 0 Normal
06/24/2026 03 AM PDT 1.38 766 0 Normal
06/24/2026 04 AM PDT 1.38 766 0 Normal
06/24/2026 05 AM PDT 1.38 766 0 Normal
06/24/2026 06 AM PDT 1.38 766 0 Normal
06/24/2026 07 AM PDT 1.38 766 0 Normal
06/24/2026 08 AM PDT 1.38 766 0 Normal
06/24/2026 09 AM PDT 1.38 766 0 Normal
06/24/2026 10 AM PDT 1.38 766 0 Normal
06/24/2026 11 AM PDT 1.38 766 0 Normal
06/24/2026 12 PM PDT 1.38 766 0 Normal
06/24/2026 01 PM PDT 1.38 766 0 Normal
06/24/2026 02 PM PDT 1.38 766 0 Normal
06/24/2026 03 PM PDT 1.38 766 0 Normal
06/24/2026 04 PM PDT 1.38 766 0 Normal
06/24/2026 05 PM PDT 1.38 766 0 Normal
06/24/2026 06 PM PDT 1.38 766 0 Normal
06/24/2026 07 PM PDT 1.38 766 0 Normal
06/24/2026 08 PM PDT 1.37 761 - Normal
06/24/2026 09 PM PDT 1.37 761 0 Normal
06/24/2026 10 PM PDT 1.37 761 0 Normal
06/24/2026 11 PM PDT 1.37 761 0 Normal
06/25/2026 12 AM PDT 1.37 761 0 Normal
06/25/2026 01 AM PDT 1.37 761 0 Normal
06/25/2026 02 AM PDT 1.37 761 0 Normal
06/25/2026 03 AM PDT 1.37 761 0 Normal
06/25/2026 04 AM PDT 1.37 761 0 Normal
06/25/2026 05 AM PDT 1.37 761 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.
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