Heavy to excessive rainfall may lead to flooding today over southwest Pennsylvania into northern West Virginia, and western Maryland. Severe thunderstorms are possible this afternoon and evening in the Mid-South and across Eastern North Carolina. An extended period of hot weather is forecast for parts of coastal southern California including Los Angeles from today through Thursday. Read More >
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PRELIMINARY WATER YEAR PRECIPITATION TOTALS DATA AS OF: APRIL 2025 FILE CREATED AT: Tue May 6 14:00:02 GMT 2025 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 0.38 0.21 0.23 0.16 0.05 0.47 0.45 M M M M M 1.95 -0.75 72 GBLW4 GREYBULL COOP M M M M M M M M M M M M M M M SHLW4 SHELL 1NE COOP 0.85 0.43 0.27 0.24 1.03 0.43 M M M M M M 3.39 -0.32 91 BSNW4 BASIN COOP 0.85 0.41 0.29 M M M M M M M M M M M M DEVW4 DEAVER COOP 0.30 T T 0.17 0.45 0.11 M M M M M M 1.28 +0.09 107 EMBW4 EMBLEM COOP 0.26 0.09 0.02 0.19 0.78 0.46 M M M M M M 1.80 -0.20 90 LOVW4 LOVELL COOP M 0.20 0.03 M M M M M M M M M M M M RONW4 RAIRDEN 2WSW COOP 0.63 0.27 0.18 0.10 0.34 0.70 M M M M M M 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 1.45 0.32 0.04 0.87 0.15 3.03 2.57 M M M M M 8.43 +1.68 124 LNRW4 LANDER COOP 1.44 0.33 0.02 0.87 0.14 2.63 2.09 M M M M M 7.52 +2.09 138 KRIW RIVERTON ASOS 0.57 0.15 0.05 0.42 0.08 1.72 1.16 M M M M M 4.15 +0.08 101 RIVW4 RIVERTON COOP 0.60 0.24 0.05 0.51 0.06 1.42 1.29 M M M M M 4.17 +0.52 114 ATLW4 ATLANTIC CITY COOP M M M M M M M M M M M M M M M JEFW4 JEFFREY CITY COOP 1.26 0.01 0.00 1.03 T 0.98 M M M M M M 3.28 -0.22 93 SBDW4 BOYSEN DAM COOP 0.31 T 0.40 0.58 T 1.04 0.89 M M M M M 3.22 -0.52 86 SSHW4 SHOSHONI COOP 0.25 0.05 0.40 0.02 0.03 1.08 0.43 M M M M M 2.26 -0.30 88 DBOW4 DUBOIS COOP 0.74 0.45 0.23 0.28 1.06 1.42 0.53 M M M M M 4.71 +0.93 124 PVLW4 PAVILLION COOP 0.60 0.08 0.00 0.42 0.05 1.06 0.61 M M M M M 2.82 -0.06 97 MTNW4 DIVERSION DAM COOP M M M M M M M M M M M M 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 1.08 0.67 0.11 0.36 0.07 1.23 M M M M M M 4.02 -0.17 95 BMTW4 THERMOPOLIS 9NE COOP 1.49 0.39 T 0.32 0.16 1.30 2.49 M M M M M 6.15 -0.24 96 THDW4 THERMOPOLIS 8WNW COOP 0.96 0.15 0.13 0.27 0.11 0.67 M M M M M M 2.29 M M BTXW4 BLACK MOUNTAIN COOP 1.00 0.46 0.08 0.43 0.36 1.66 M M M M M M 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 0.78 0.05 0.01 T 0.04 0.60 0.91 M M M M M 2.39 -2.47 49 BUFW4 BUFFALO COOP M M M M M M M M M M M M M M M BFFW4 BUFFALO 5WSW COOP M M M M M M M M M M M M M M M BLYW4 BILLY CREEK COOP M M M M M M M M M M M M M M M KCEW4 KAYCEE COOP 1.08 0.27 T 0.25 0.20 0.80 M M M M M M 4.28 +0.98 129 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 1.32 1.06 2.28 1.32 2.74 3.02 1.93 M M M M M 13.67 +3.88 139 BDFW4 BEDFORD 3SE COOP 1.22 1.99 2.29 1.82 4.36 3.61 1.93 M M M M M 17.22 +4.31 133 FBMW4 FOSSIL BUTTE NAT MON COOP 1.09 0.84 1.41 0.44 2.00 1.75 0.73 M M M M M 8.26 +2.58 145 FNTW4 FONTENELLE DAM COOP 0.98 0.19 0.21 0.06 0.55 0.71 M M M M M M 2.82 +0.49 121 KMRW4 KEMMERER 2N COOP 0.85 T M M 0.56 T M M M M M M M M M 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 1.51 0.39 0.16 0.48 0.23 1.33 1.59 M M M M M 5.69 +0.14 102 CSWW4 CASPER 1SW COOP M M M M M M M M M M M M M M M CWWW4 CASPER WWTP COOP 2.34 0.31 M 0.50 0.16 0.59 M M M M M M 5.08 +1.50 141 MWTW4 MIDWEST COOP 1.74 0.18 0.12 0.87 0.12 0.76 M M M M M M 3.94 -0.62 86 ACVW4 PATHFINDER DAM COOP 0.64 0.36 0.11 0.84 0.16 1.67 M M M M M M 4.17 +0.08 101 PRSW4 POWDER RIVER SCHOOL COOP 1.06 0.40 0.07 M M M M M M M M M M M M BCRW4 BATES CREEK COOP 1.28 0.10 0.56 0.89 0.05 0.96 M M M M M M 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 0.26 0.23 T 0.04 0.11 0.62 2.27 M M M M M 3.53 M M COPW4 CODY COOP 0.39 0.49 0.01 0.45 2.11 M 2.57 M M M M M 7.13 +3.71 208 BLBW4 BUFFALO BILL DAM COOP 0.33 0.45 0.06 0.62 3.66 1.76 M M M M M M 7.06 +4.00 230 OBAW4 CODY 12SE COOP 0.35 0.19 T 0.45 1.83 0.44 M M M M M M 3.26 +0.98 142 CLAW4 CLARK COOP 0.10 0.11 0.03 0.19 1.48 0.27 1.21 M M M M M 3.39 +1.12 149 SUNW4 SUNSHINE 5NE COOP M M M M M M M M M M M M M M M WAPW4 WAPITI 1NE COOP M M M M M M M M M M M M M M M NFKW4 PAHASKA COOP 1.38 0.90 1.34 1.31 4.72 3.73 1.89 M M M M M 15.27 M M PFSW4 POWELL FIELD STN COOP 0.19 0.05 M M 0.65 0.49 M M M M M M 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 0.75 0.05 0.30 0.05 0.42 1.26 1.04 M M M M M 3.87 M M BPIW4 BIG PINEY COOP 0.97 0.12 0.47 0.16 0.59 M M M M M M M 3.23 +1.53 190 BPEW4 BIG PINEY 6NE COOP M M M M M M M M M M M M M M M BNWW4 BONDURANT COOP 0.50 0.93 3.54 0.87 3.95 2.88 M M M M M M 12.67 +2.00 118 BRSW4 BOULDER REARING STN COOP 0.53 0.26 0.48 0.43 0.78 1.10 1.05 M M M M M 4.63 +0.47 111 CORW4 CORA COOP M M M M M M M M M M M M M M M PNDW4 PINEDALE COOP 0.94 0.41 0.54 0.36 1.12 1.36 M M M M M M 5.55 +1.37 132 DANW4 DANIEL FISH HATCHERY COOP 0.55 0.36 1.13 0.47 1.50 0.95 1.06 M M M M M 6.02 +0.43 107 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 0.71 0.36 0.18 0.05 0.22 1.23 0.48 M M M M M 3.23 -1.15 73 RSFW4 ROCK SPRINGS FD COOP 0.72 0.32 0.65 0.34 0.28 0.81 0.34 M M M M M 3.46 -1.15 75 GRNW4 GREEN RIVER COOP 1.28 1.20 0.65 0.48 0.93 0.96 0.42 M M M M M 5.92 +1.93 148 FGRW4 FLAMING GORGE COOP M M M M M M M M M M M M M M M FSNW4 FARSON 2NNE COOP 0.54 0.13 0.11 0.09 0.15 0.38 0.27 M M M M M 1.67 -2.40 41 BITW4 BITTER CREEK 4NE COOP 0.48 0.15 0.06 0.02 0.14 0.66 M M M M M M 1.51 -0.91 62 WMSW4 WAMSUTTER COOP 0.99 0.26 0.12 0.26 0.29 0.82 0.70 M M M M M 3.44 -0.11 96 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 0.20 0.68 0.95 0.64 1.90 1.43 0.77 M M M M M 6.57 M M JFSW4 JACKSON COOP 0.41 0.81 1.23 0.36 2.60 2.21 0.54 M M M M M 8.16 +-1.00 89 MOOW4 MOOSE COOP 0.38 M M M 4.93 M M M M M M M M M M MRAW4 MORAN 5WNW COOP 0.30 1.53 M M M 1.41 M M M M M M M M M DARW4 DARWIN RANCH COOP 0.28 1.11 1.25 0.32 2.42 1.87 M M M M M M 7.82 +0.91 113 ALTW4 ALTA COOP 1.18 1.32 1.60 0.86 2.48 1.27 M M M M M M 9.97 -2.77 78 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 0.99 0.11 0.09 0.12 T 0.64 1.11 M M M M M 3.06 +0.05 101 WORW4 WORLAND COOP 0.86 0.28 0.02 0.09 0.24 0.54 M M M M M M 2.78 +0.49 121 TFRW4 TEN SLEEP 4NE COOP 1.20 0.30 0.27 0.82 0.33 1.12 M M M M M M 5.69 +1.11 124 TNSW4 TEN SLEEP 16SSE COOP 1.11 0.44 0.06 0.67 0.18 M M M M M M M M M M 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 0.60 1.16 1.33 1.54 M M 2.59 M M M M M 9.34 +0.22 102 LKYW4 LAKE YELLOWSTONE COOP M 0.88 0.86 1.35 2.94 1.36 M M M M M M M M M OLFW4 OLD FAITHFUL COOP M 1.98 0.82 0.51 M 2.35 M M M M M M M M M BKRW4 BECHLER RIVER COOP M M M M M M M M M M M M M M M EYPW4 EAST ENTRANCE COOP M M 2.29 1.65 3.98 0.90 M M M M M M M M M YLWW4 MAMMOTH COOP 0.44 0.54 0.63 0.61 1.68 0.51 M M M M M M 4.52 -0.92 83 TWRW4 TOWER FALLS RNGR STN COOP 0.11 0.66 0.74 0.69 1.63 0.80 2.02 M M M M M 6.65 -1.49 81 LMRW4 LAMAR RNGR STN COOP 0.49 0.43 0.92 1.40 1.78 0.75 M M M M M M 6.37 M M SNKW4 SNAKE RIVER RNGR STN COOP 0.56 M 3.62 2.06 8.62 M M M M M M M 18.71 +6.47 152
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