A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >
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PRELIMINARY WATER YEAR PRECIPITATION TOTALS
DATA AS OF: OCTOBER 2025
FILE CREATED AT: Mon Nov 3 22:00:02 GMT 2025
NOTE: Precipitation totals preceding an "*" character may be low,
because of one or more daily reports are missing in the database.
Use this data with caution.
BIG HORN COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KGEY GREYBULL ASOS 1.89 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.89 +1.29 315
GBLW4 GREYBULL COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
SHLW4 SHELL 1NE COOP 0.33* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.33* -0.62 35
BSNW4 BASIN COOP 6.42* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 6.42* +5.78 1003
DEVW4 DEAVER COOP 0.45* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.45* -0.01 98
EMBW4 EMBLEM COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
LOVW4 LOVELL COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
RONW4 RAIRDEN 2WSW COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
FREMONT COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KLND LANDER ASOS 1.49 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.49 +0.09 106
LNRW4 LANDER COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
KRIW RIVERTON ASOS 1.02* T* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.02* +0.13 115
RIVW4 RIVERTON COOP 1.44* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.44* +0.59 169
ATLW4 ATLANTIC CITY COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
JEFW4 JEFFREY CITY COOP 0.01* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.01* -0.90 1
SBDW4 BOYSEN DAM COOP 0.55* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.55* -0.31 64
SSHW4 SHOSHONI COOP 0.65* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.65* +0.14 127
DBOW4 DUBOIS COOP 3.07* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 3.07* +2.26 379
PVLW4 PAVILLION COOP 0.71* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.71* +0.07 111
MTNW4 DIVERSION DAM COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
HOT SPRINGS COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
THMW4 THERMOPOLIS COOP 0.25* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.25* -1.01 20
BMTW4 THERMOPOLIS 9NE COOP 2.51* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 2.51* +1.22 195
THDW4 THERMOPOLIS 8WNW COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BTXW4 BLACK MOUNTAIN COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
JOHNSON COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KBYG BUFFALO ASOS 2.33 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 2.33 +1.40 251
BUFW4 BUFFALO COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BFFW4 BUFFALO 5WSW COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BLYW4 BILLY CREEK COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
KCEW4 KAYCEE COOP 1.05* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.05* +0.01 101
LINCOLN COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
AFOW4 AFTON COOP 3.39* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 3.39* +1.76 208
BDFW4 BEDFORD 3SE COOP 0.86* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.86* -0.77 53
FBMW4 FOSSIL BUTTE NAT MON COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
FNTW4 FONTENELLE DAM COOP 0.43* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.43* -0.25 63
KMRW4 KEMMERER 2N COOP 0.68* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.68* -0.15 82
NATRONA COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KCPR CASPER ASOS 1.55* T* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.55* +0.44 140
CSWW4 CASPER 1SW COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
CWWW4 CASPER WWTP COOP 0.68* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.68* -0.41 62
MWTW4 MIDWEST COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
ACVW4 PATHFINDER DAM COOP 0.45* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.45* -0.60 43
PRSW4 POWDER RIVER SCHOOL COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BCRW4 BATES CREEK COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
PARK COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KCOD CODY AWOS T* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. T* M M
COPW4 CODY COOP 0.92* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.92* +0.03 103
BLBW4 BUFFALO BILL DAM COOP 0.67* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.67* -0.32 68
OBAW4 CODY 12SE COOP 0.61* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.61* +0.08 115
CLAW4 CLARK COOP 1.03* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.03* +0.54 210
SUNW4 SUNSHINE 5NE COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
WAPW4 WAPITI 1NE COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
NFKW4 PAHASKA COOP 3.09* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 3.09* M M
PFSW4 POWELL FIELD STN COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
SUBLETTE COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KBPI BIG PINEY ASOS 0.89* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.89* +0.36 168
BPIW4 BIG PINEY COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BPEW4 BIG PINEY 6NE COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BNWW4 BONDURANT COOP 0.10* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.10* -1.27 7
BRSW4 BOULDER REARING STN COOP 0.66* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.66* -0.14 82
CORW4 CORA COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
PNDW4 PINEDALE COOP 1.35* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.35* +0.52 163
DANW4 DANIEL FISH HATCHERY COOP 0.49* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.49* -0.41 54
SWEETWATER COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KRKS ROCK SPRINGS ASOS 0.75 T* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.75 -0.12 86
RSFW4 ROCK SPRINGS FD COOP 0.82* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.82* -0.27 75
GRNW4 GREEN RIVER COOP 1.37* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.37* +0.56 169
FGRW4 FLAMING GORGE COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
FSNW4 FARSON 2NNE COOP 0.19* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.19* -0.54 26
BITW4 BITTER CREEK 4NE COOP 0.38* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.38* -0.28 58
WMSW4 WAMSUTTER COOP 1.53* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.53* +0.79 207
TETON COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KJAC JACKSON AWOS 1.21* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.21* M M
JFSW4 JACKSON COOP 1.69* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.69* +0.41 132
MOOW4 MOOSE COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
MRAW4 MORAN 5WNW COOP 0.00* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.00* -1.77 0
DARW4 DARWIN RANCH COOP 2.24* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 2.24* +0.91 168
ALTW4 ALTA COOP 0.54* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.54* -1.45 27
WASHAKIE COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KWRL WORLAND ASOS 1.40 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.40 +0.71 203
WORW4 WORLAND COOP 1.30* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.30* +0.58 181
TFRW4 TEN SLEEP 4NE COOP 0.04* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.04* -1.18 3
TNSW4 TEN SLEEP 16SSE COOP 0.91* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.91* -0.40 69
YELLOWSTONE NATIONAL PARK STNS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KP60 LAKE YELLOWSTONE ASOS 3.48 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 3.48 +2.13 258
LKYW4 LAKE YELLOWSTONE COOP 0.18* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.18* -1.00 15
OLFW4 OLD FAITHFUL COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
BKRW4 BECHLER RIVER COOP 1.96* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.96* M M
EYPW4 EAST ENTRANCE COOP 2.38* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 2.38* M M
YLWW4 MAMMOTH COOP M M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. M M M
TWRW4 TOWER FALLS RNGR STN COOP 1.68* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 1.68* +0.21 114
LMRW4 LAMAR RNGR STN COOP 0.18* M M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 0.18* M M
SNKW4 SNAKE RIVER RNGR STN COOP 4.23* 0.00* M Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. Exiting. 4.23* +2.19 207
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