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SAN JOAQUIN RIVER - PATTERSON (PATC1)
| Latitude: 37.49º N | Longitude: 121.08º W | Elevation: 97 Feet | | Forecast Type: Official Location |
| Location: Stanislaus County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Feb 20 2026 at 9:19 AM PST | Next Issuance: | Feb 20 2026 at 3:00 PM PST
| |
| Action/Monitor: 48.0 Feet | Minor Flood: 54.7 Feet | Moderate Flood: 57.3 Feet | Major Flood: 58.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time: 02/20/2026 at 09:19 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/20/2026 at 09:00 AM PST
# Maximum Observed Stage: 36.60 Feet
# Maximum Observed Flow: 2920 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/23/2026 at 02:00 PM PST
# Maximum Forecast Stage: 39.53 Feet
# Maximum Forecast Flow: 4636 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/15/2026 09 AM PST 33.07 1219 Normal
02/15/2026 10 AM PST 33.07 1219 0 Normal
02/15/2026 11 AM PST 33.07 1219 0 Normal
02/15/2026 12 PM PST 33.07 1219 0 Normal
02/15/2026 01 PM PST 33.07 1219 0 Normal
02/15/2026 02 PM PST 33.08 1223 + Normal
02/15/2026 03 PM PST 33.09 1227 + Normal
02/15/2026 04 PM PST 33.08 1223 - Normal
02/15/2026 05 PM PST 33.08 1223 0 Normal
02/15/2026 06 PM PST 33.08 1223 0 Normal
02/15/2026 07 PM PST 33.07 1219 - Normal
02/15/2026 08 PM PST 33.07 1219 0 Normal
02/15/2026 09 PM PST 33.07 1219 0 Normal
02/15/2026 10 PM PST 33.07 1219 0 Normal
02/15/2026 11 PM PST 33.07 1219 0 Normal
02/16/2026 12 AM PST 33.06 1215 - Normal
02/16/2026 01 AM PST 33.07 1219 + Normal
02/16/2026 02 AM PST 33.07 1219 0 Normal
02/16/2026 03 AM PST 33.08 1223 + Normal
02/16/2026 04 AM PST 33.10 1231 + Normal
02/16/2026 05 AM PST 33.12 1239 + Normal
02/16/2026 06 AM PST 33.14 1247 + Normal
02/16/2026 07 AM PST 33.18 1264 + Normal
02/16/2026 08 AM PST 33.19 1268 + Normal
02/16/2026 09 AM PST 33.21 1276 + Normal
02/16/2026 10 AM PST 33.22 1281 + Normal
02/16/2026 11 AM PST 33.25 1293 + Normal
02/16/2026 12 PM PST 33.29 1310 + Normal
02/16/2026 01 PM PST 33.32 1323 + Normal
02/16/2026 02 PM PST 33.34 1331 + Normal
02/16/2026 03 PM PST 33.34 1331 0 Normal
02/16/2026 04 PM PST 33.34 1331 0 Normal
02/16/2026 05 PM PST 33.34 1331 0 Normal
02/16/2026 06 PM PST 33.33 1327 - Normal
02/16/2026 07 PM PST 33.33 1327 0 Normal
02/16/2026 08 PM PST 33.33 1327 0 Normal
02/16/2026 09 PM PST 33.33 1327 0 Normal
02/16/2026 10 PM PST 33.34 1331 + Normal
02/16/2026 11 PM PST 33.34 1331 0 Normal
02/17/2026 12 AM PST 33.37 1344 + Normal
02/17/2026 01 AM PST 33.36 1340 - Normal
02/17/2026 02 AM PST 33.37 1344 + Normal
02/17/2026 03 AM PST 33.37 1344 0 Normal
02/17/2026 04 AM PST 33.38 1348 + Normal
02/17/2026 05 AM PST 33.37 1344 - Normal
02/17/2026 06 AM PST 33.38 1348 + Normal
02/17/2026 07 AM PST 33.37 1344 - Normal
02/17/2026 08 AM PST 33.38 1348 + Normal
02/17/2026 09 AM PST 33.37 1344 - Normal
02/17/2026 10 AM PST 33.37 1344 0 Normal
02/17/2026 11 AM PST 33.36 1340 - Normal
02/17/2026 12 PM PST 33.39 1352 + Normal
02/17/2026 01 PM PST 33.39 1352 0 Normal
02/17/2026 02 PM PST 33.42 1365 + Normal
02/17/2026 03 PM PST 33.44 1374 + Normal
02/17/2026 04 PM PST 33.46 1382 + Normal
02/17/2026 05 PM PST 33.47 1387 + Normal
02/17/2026 06 PM PST 33.48 1391 + Normal
02/17/2026 07 PM PST 33.50 1400 + Normal
02/17/2026 08 PM PST 33.51 1404 + Normal
02/17/2026 09 PM PST 33.52 1408 + Normal
02/17/2026 10 PM PST 33.53 1413 + Normal
02/17/2026 11 PM PST 33.54 1417 + Normal
02/18/2026 12 AM PST 33.56 1426 + Normal
02/18/2026 01 AM PST 33.56 1426 0 Normal
02/18/2026 02 AM PST 33.58 1434 + Normal
02/18/2026 03 AM PST 33.60 1443 + Normal
02/18/2026 04 AM PST 33.62 1452 + Normal
02/18/2026 05 AM PST 33.63 1456 + Normal
02/18/2026 06 AM PST 33.65 1465 + Normal
02/18/2026 07 AM PST 33.67 1474 + Normal
02/18/2026 08 AM PST 33.70 1487 + Normal
02/18/2026 09 AM PST 33.73 1501 + Normal
02/18/2026 10 AM PST 33.75 1509 + Normal
02/18/2026 11 AM PST 33.79 1527 + Normal
02/18/2026 12 PM PST 33.83 1545 + Normal
02/18/2026 01 PM PST 33.86 1559 + Normal
02/18/2026 02 PM PST 33.90 1577 + Normal
02/18/2026 03 PM PST 33.95 1600 + Normal
02/18/2026 04 PM PST 34.00 1623 + Normal
02/18/2026 05 PM PST 34.05 1646 + Normal
02/18/2026 06 PM PST 34.11 1674 + Normal
02/18/2026 07 PM PST 34.18 1706 + Normal
02/18/2026 08 PM PST 34.25 1739 + Normal
02/18/2026 09 PM PST 34.32 1773 + Normal
02/18/2026 10 PM PST 34.39 1806 + Normal
02/18/2026 11 PM PST 34.47 1844 + Normal
02/19/2026 12 AM PST 34.54 1877 + Normal
02/19/2026 01 AM PST 34.62 1914 + Normal
02/19/2026 02 AM PST 34.68 1942 + Normal
02/19/2026 03 AM PST 34.74 1970 + Normal
02/19/2026 04 AM PST 34.81 2003 + Normal
02/19/2026 05 AM PST 34.89 2041 + Normal
02/19/2026 06 AM PST 34.96 2075 + Normal
02/19/2026 07 AM PST 35.05 2118 + Normal
02/19/2026 08 AM PST 35.12 2152 + Normal
02/19/2026 09 AM PST 35.18 2182 + Normal
02/19/2026 10 AM PST 35.25 2216 + Normal
02/19/2026 11 AM PST 35.31 2246 + Normal
02/19/2026 12 PM PST 35.37 2276 + Normal
02/19/2026 01 PM PST 35.42 2301 + Normal
02/19/2026 02 PM PST 35.49 2336 + Normal
02/19/2026 03 PM PST 35.55 2366 + Normal
02/19/2026 04 PM PST 35.61 2397 + Normal
02/19/2026 05 PM PST 35.69 2437 + Normal
02/19/2026 06 PM PST 35.72 2453 + Normal
02/19/2026 07 PM PST 35.77 2478 + Normal
02/19/2026 08 PM PST 35.83 2509 + Normal
02/19/2026 09 PM PST 35.87 2530 + Normal
02/19/2026 10 PM PST 35.90 2546 + Normal
02/19/2026 11 PM PST 35.96 2577 + Normal
02/20/2026 12 AM PST 36.02 2609 + Normal
02/20/2026 01 AM PST 36.06 2630 + Normal
02/20/2026 02 AM PST 36.11 2656 + Normal
02/20/2026 03 AM PST 36.17 2688 + Normal
02/20/2026 04 AM PST 36.23 2720 + Normal
02/20/2026 05 AM PST 36.28 2746 + Normal
02/20/2026 06 AM PST 36.34 2779 + Normal
02/20/2026 07 AM PST 36.43 2827 + Normal
02/20/2026 08 AM PST 36.51 2871 + Normal
02/20/2026 09 AM PST 36.60 2920 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/20/2026 10 AM PST 36.67 2958 Normal
02/20/2026 11 AM PST 36.74 2997 + Normal
02/20/2026 12 PM PST 36.80 3030 + Normal
02/20/2026 01 PM PST 36.85 3058 + Normal
02/20/2026 02 PM PST 36.90 3086 + Normal
02/20/2026 03 PM PST 36.95 3113 + Normal
02/20/2026 04 PM PST 36.98 3130 + Normal
02/20/2026 05 PM PST 37.02 3152 + Normal
02/20/2026 06 PM PST 37.06 3174 + Normal
02/20/2026 07 PM PST 37.09 3190 + Normal
02/20/2026 08 PM PST 37.12 3207 + Normal
02/20/2026 09 PM PST 37.16 3229 + Normal
02/20/2026 10 PM PST 37.20 3251 + Normal
02/20/2026 11 PM PST 37.24 3273 + Normal
02/21/2026 12 AM PST 37.28 3296 + Normal
02/21/2026 01 AM PST 37.33 3324 + Normal
02/21/2026 02 AM PST 37.38 3352 + Normal
02/21/2026 03 AM PST 37.43 3380 + Normal
02/21/2026 04 AM PST 37.48 3408 + Normal
02/21/2026 05 AM PST 37.54 3442 + Normal
02/21/2026 06 AM PST 37.59 3470 + Normal
02/21/2026 07 AM PST 37.65 3505 + Normal
02/21/2026 08 AM PST 37.70 3533 + Normal
02/21/2026 09 AM PST 37.76 3568 + Normal
02/21/2026 10 AM PST 37.81 3596 + Normal
02/21/2026 11 AM PST 37.86 3625 + Normal
02/21/2026 12 PM PST 37.90 3648 + Normal
02/21/2026 01 PM PST 37.94 3672 + Normal
02/21/2026 02 PM PST 37.98 3695 + Normal
02/21/2026 03 PM PST 38.02 3718 + Normal
02/21/2026 04 PM PST 38.05 3736 + Normal
02/21/2026 05 PM PST 38.09 3759 + Normal
02/21/2026 06 PM PST 38.12 3777 + Normal
02/21/2026 07 PM PST 38.16 3800 + Normal
02/21/2026 08 PM PST 38.19 3818 + Normal
02/21/2026 09 PM PST 38.23 3841 + Normal
02/21/2026 10 PM PST 38.26 3859 + Normal
02/21/2026 11 PM PST 38.30 3883 + Normal
02/22/2026 12 AM PST 38.33 3901 + Normal
02/22/2026 01 AM PST 38.37 3924 + Normal
02/22/2026 02 AM PST 38.41 3948 + Normal
02/22/2026 03 AM PST 38.45 3972 + Normal
02/22/2026 04 AM PST 38.48 3990 + Normal
02/22/2026 05 AM PST 38.52 4014 + Normal
02/22/2026 06 AM PST 38.56 4038 + Normal
02/22/2026 07 AM PST 38.61 4068 + Normal
02/22/2026 08 AM PST 38.65 4092 + Normal
02/22/2026 09 AM PST 38.69 4116 + Normal
02/22/2026 10 AM PST 38.73 4141 + Normal
02/22/2026 11 AM PST 38.78 4171 + Normal
02/22/2026 12 PM PST 38.82 4195 + Normal
02/22/2026 01 PM PST 38.87 4226 + Normal
02/22/2026 02 PM PST 38.91 4250 + Normal
02/22/2026 03 PM PST 38.95 4275 + Normal
02/22/2026 04 PM PST 38.99 4299 + Normal
02/22/2026 05 PM PST 39.04 4330 + Normal
02/22/2026 06 PM PST 39.08 4355 + Normal
02/22/2026 07 PM PST 39.12 4380 + Normal
02/22/2026 08 PM PST 39.16 4404 + Normal
02/22/2026 09 PM PST 39.20 4429 + Normal
02/22/2026 10 PM PST 39.23 4448 + Normal
02/22/2026 11 PM PST 39.27 4473 + Normal
02/23/2026 12 AM PST 39.30 4492 + Normal
02/23/2026 01 AM PST 39.33 4510 + Normal
02/23/2026 02 AM PST 39.36 4529 + Normal
02/23/2026 03 AM PST 39.38 4542 + Normal
02/23/2026 04 AM PST 39.40 4554 + Normal
02/23/2026 05 AM PST 39.42 4567 + Normal
02/23/2026 06 AM PST 39.44 4579 + Normal
02/23/2026 07 AM PST 39.46 4592 + Normal
02/23/2026 08 AM PST 39.47 4598 + Normal
02/23/2026 09 AM PST 39.49 4611 + Normal
02/23/2026 10 AM PST 39.50 4617 + Normal
02/23/2026 11 AM PST 39.51 4624 + Normal
02/23/2026 12 PM PST 39.52 4630 + Normal
02/23/2026 01 PM PST 39.52 4630 0 Normal
02/23/2026 02 PM PST 39.53 4636 + Normal
02/23/2026 03 PM PST 39.53 4636 0 Normal
02/23/2026 04 PM PST 39.53 4636 0 Normal
02/23/2026 05 PM PST 39.53 4636 0 Normal
02/23/2026 06 PM PST 39.53 4636 0 Normal
02/23/2026 07 PM PST 39.52 4630 - Normal
02/23/2026 08 PM PST 39.52 4630 0 Normal
02/23/2026 09 PM PST 39.51 4624 - Normal
02/23/2026 10 PM PST 39.50 4617 - Normal
02/23/2026 11 PM PST 39.49 4611 - Normal
02/24/2026 12 AM PST 39.48 4605 - Normal
02/24/2026 01 AM PST 39.47 4598 - Normal
02/24/2026 02 AM PST 39.46 4592 - Normal
02/24/2026 03 AM PST 39.44 4579 - Normal
02/24/2026 04 AM PST 39.43 4573 - Normal
02/24/2026 05 AM PST 39.41 4561 - Normal
02/24/2026 06 AM PST 39.39 4548 - Normal
02/24/2026 07 AM PST 39.38 4542 - Normal
02/24/2026 08 AM PST 39.35 4523 - Normal
02/24/2026 09 AM PST 39.34 4517 - Normal
02/24/2026 10 AM PST 39.31 4498 - Normal
02/24/2026 11 AM PST 39.29 4485 - Normal
02/24/2026 12 PM PST 39.27 4473 - Normal
02/24/2026 01 PM PST 39.25 4460 - Normal
02/24/2026 02 PM PST 39.22 4442 - Normal
02/24/2026 03 PM PST 39.20 4429 - Normal
02/24/2026 04 PM PST 39.17 4411 - Normal
02/24/2026 05 PM PST 39.15 4398 - Normal
02/24/2026 06 PM PST 39.12 4380 - Normal
02/24/2026 07 PM PST 39.10 4367 - Normal
02/24/2026 08 PM PST 39.07 4349 - Normal
02/24/2026 09 PM PST 39.04 4330 - Normal
02/24/2026 10 PM PST 39.01 4312 - Normal
02/24/2026 11 PM PST 38.99 4299 - Normal
02/25/2026 12 AM PST 38.96 4281 - Normal
02/25/2026 01 AM PST 38.93 4263 - Normal
02/25/2026 02 AM PST 38.90 4244 - Normal
02/25/2026 03 AM PST 38.87 4226 - Normal
02/25/2026 04 AM PST 38.84 4208 - 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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