A powerful storm system will continue to bring heavy mountain snow, rain, high winds, and hazardous marine conditions to the Pacific Northwest and northern California through midweek. Gusty winds and locally heavy snow are possible over portions of the Northern and Central Plains. Severe thunderstorms, heavy rain and flash flooding risks continue across the central Gulf Coast. Read More >
PRELIMINARY WATER YEAR PRECIPITATION TOTALS DATA AS OF: OCTOBER 2020 FILE CREATED AT: Tue Jan 12 19:30:05 GMT 2021 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 0.61 0.13 0.01 0.10 0.51 T 0.20 0.24 2.11 0.16 0.13 0.35 4.55 -2.96 60 GBLW4 GREYBULL COOP M M M M M M M M M M M M M M M SHLW4 SHELL 1NE COOP 0.50 0.60 0.25 0.28 1.05 0.15 0.95 0.40 1.94 0.92 0.26 0.11 7.41 -3.18 69 BSNW4 BASIN COOP 0.56 0.39 0.05 0.12 1.12 T 0.40 0.21 1.67 0.05 0.16 0.67 5.40 -1.44 78 DEVW4 DEAVER COOP 0.41 0.15 0.04 0.08 0.58 T 0.07 0.35 1.85 0.17 0.29 T 3.99 -1.41 73 EMBW4 EMBLEM COOP 0.78 0.29 0.02 0.05 0.97 0.10 0.67 0.31 2.49 0.16 0.19 0.22 6.25 -1.12 84 LOVW4 LOVELL COOP 0.65 0.03 0.00 0.03 0.61 T 0.03 0.50 2.55 T 0.00 T 4.40 -1.94 69 RONW4 RAIRDEN 2WSW COOP 0.35 0.46 T 0.18 0.69 T 0.77 0.23 1.06 0.40 0.22 0.65 5.01 -2.05 70 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 0.87 2.23 0.09 0.24 1.45 0.58 2.35 0.06 0.40 0.09 0.05 0.50 8.91 -3.75 70 LNRW4 LANDER 1N COOP M M M M M M M M M M M M M M M KRIW RIVERTON ASOS 0.27 1.03 0.04 0.27 0.78 0.27 1.52 0.32 0.40 0.03 0.01 0.43 5.37 -4.06 56 RIVW4 RIVERTON COOP 0.24 0.96 0.10 0.29 0.98 0.24 1.84 0.34 0.41 0.25 T 0.70 6.35 -2.07 75 ATLW4 ATLANTIC CITY COOP 1.11 1.31 0.30 0.66 1.35 1.10 1.86 0.62 1.54 0.31 0.37 1.25 11.78 M M JEFW4 JEFFREY CITY COOP 0.54 1.60 0.42 0.17 0.42 1.44 1.07 0.17 1.66 0.06 0.08 0.55 8.18 -1.88 81 SBDW4 BOYSEN DAM COOP 0.97 0.13 0.10 0.25 1.06 0.02 0.55 0.31 1.33 0.10 0.05 0.50 5.37 -3.51 60 SSHW4 SHOSHONI COOP 0.36 0.44 0.06 0.30 0.81 0.04 0.76 0.18 0.41 T T 0.21 3.57 -3.96 47 DBOW4 DUBOIS COOP 0.57 0.92 0.35 0.08 0.63 0.97 1.12 1.33 2.03 0.64 0.14 1.07 9.85 -0.06 99 BRRW4 BURRIS COOP M M M M M M M M M M M M M M M PVLW4 PAVILLION COOP 0.10 0.85 T 0.20 0.41 T 1.38 0.74 0.37 0.01 0.00 0.87 4.93 -2.99 62 MTNW4 DIVERSION DAM COOP 0.54 0.78 T T 0.55 0.55 1.59 0.36 0.72 0.19 0.21 0.78 6.27 -2.82 68 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 0.42 0.85 0.20 0.55 1.18 0.21 1.14 0.50 0.89 0.00 0.56 1.07 7.57 -4.14 64 BMTW4 THERMOPOLIS 9NE COOP 0.69 1.15 0.24 0.50 1.31 0.41 1.57 0.61 1.31 0.04 0.39 0.66 8.88 -3.81 69 THDW4 THERMOPOLIS 8WNW COOP M 0.21 M 0.34 0.69 0.14 0.74 0.71 0.61 0.06 0.17 0.73 M M M HDMW4 HAMILTON DOME COOP M M M M M M M M M M M M M M M BTXW4 BLACK MOUNTAIN COOP 1.64 1.62 0.52 0.73 1.54 0.40 2.09 M 0.58 0.09 0.16 1.01 10.38 -1.67 86 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 1.27 0.56 0.01 0.12 0.56 0.37 0.61 1.27 1.18 0.95 0.26 0.89 8.05 -5.40 59 BUFW4 BUFFALO COOP 1.47 0.90 0.23 0.26 1.39 0.42 0.96 1.37 1.35 0.57 0.50 0.75 10.17 -3.07 76 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 0.67 0.93 0.14 0.36 0.90 0.42 0.82 0.93 1.07 0.43 0.04 0.71 7.42 -4.95 59 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 1.65 1.38 1.34 2.59 2.81 1.87 2.68 2.53 3.99 0.47 0.06 0.52 21.89 +3.73 120 BDFW4 BEDFORD 3SE COOP 2.19 1.30 1.38 3.94 3.18 2.37 3.08 1.87 4.22 0.83 0.02 0.78 25.16 +3.76 117 CKEW4 COKEVILLE COOP M M M M M M M M M M M M M M M FBMW4 FOSSIL BUTTE NAT MON COOP 0.86 0.78 1.65 1.35 1.01 1.16 0.83 0.72 2.40 0.27 0.09 0.49 11.61 +0.61 105 FNTW4 FONTENELLE DAM COOP 0.11 0.74 1.03 0.30 0.18 0.73 0.51 0.23 1.23 0.12 0.10 0.10 5.38 -2.15 71 KMRW4 KEMMERER 2N COOP 0.16 1.05 0.62 0.32 0.67 1.11 0.30 0.45 1.71 T 0.18 0.06 6.63 -3.72 64 LBGW4 LA BARGE COOP M M M M M M 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 1.30 1.86 0.60 0.48 0.82 0.96 1.28 0.30 0.30 0.02 0.05 0.57 8.54 -3.98 68 CSWW4 CASPER 1SW COOP 1.50 1.98 0.58 0.51 1.38 1.08 1.94 0.56 0.39 0.10 1.50 1.32 12.84 M M CWWW4 CASPER WWTP COOP 1.88 0.85 0.86 0.47 0.81 1.17 2.06 0.47 0.33 0.19 0.27 0.91 10.27 -2.20 82 MWTW4 MIDWEST COOP 0.21 0.60 0.06 0.51 0.54 0.12 0.92 0.61 0.59 0.12 T 0.72 5.00 -7.54 39 ACVW4 PATHFINDER DAM COOP 0.72 0.65 0.75 0.64 0.42 0.92 1.10 0.10 0.36 0.14 0.06 0.54 6.40 -4.55 58 PRSW4 POWDER RIVER SCHOOL COOP 0.61 1.01 0.50 0.26 0.28 0.53 0.85 0.46 0.32 0.34 T 0.56 5.72 -4.71 54 BCRW4 BATES CREEK COOP 1.32 1.19 0.91 0.78 1.25 1.00 1.46 0.40 0.46 0.39 0.01 0.58 9.75 -3.26 74 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 0.21 0.17 0.04 0.02 0.09 0.04 0.12 0.50 1.93 0.04 0.08 0.15 3.39 M M COPW4 CODY COOP 0.63 0.71 0.06 0.10 0.90 0.29 0.71 1.08 2.23 0.14 0.48 0.27 7.60 -2.96 71 BLBW4 BUFFALO BILL DAM COOP 1.23 0.49 0.02 0.01 1.35 M M 1.61 M M 0.43 1.02 M M M OBAW4 CODY 12SE COOP 0.38 0.83 0.03 T 0.44 0.46 0.35 0.64 2.78 0.09 0.29 0.60 6.89 -2.35 74 COYW4 CODY 21SW COOP M M M M M M M M M M M M M M M CLAW4 CLARK COOP 0.38 0.37 0.04 0.03 1.02 0.12 0.30 0.93 2.19 0.15 0.39 0.39 6.31 -0.89 87 CRDW4 CRANDALL COOP M M M M M M M M M M M M M M M SUNW4 SUNSHINE 5NE COOP 0.49 1.08 0.19 0.12 0.87 0.42 1.00 1.64 3.34 0.39 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 2.84 1.34 1.40 2.41 1.88 2.75 2.76 3.36 1.95 1.31 0.52 1.40 23.92 M M PFSW4 POWELL FIELD STN COOP 0.79 0.04 0.01 T 0.50 T 0.17 0.44 2.50 0.13 0.37 0.19 5.14 -1.66 75 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 0.09 0.28 T 0.13 0.05 0.04 0.42 0.26 0.89 0.12 T 0.08 2.36 M M BPIW4 BIG PINEY COOP M M M M M M M M M M M M M M M BNWW4 BONDURANT COOP 0.43 0.13 2.34 2.37 2.35 1.78 2.31 1.11 2.26 0.85 0.16 0.47 16.56 -2.20 88 BRSW4 BOULDER REARING STN COOP 0.30 0.77 0.15 0.90 0.49 0.41 0.84 1.07 3.18 0.45 0.05 0.04 8.65 -1.07 88 CORW4 CORA COOP M M M M M M M M M M M M M M M PNDW4 PINEDALE COOP 0.53 1.16 0.18 1.01 0.73 0.52 1.48 1.34 3.39 0.70 0.15 0.32 11.51 +0.11 100 DANW4 DANIEL FISH HATCHERY COOP 0.42 1.03 0.37 1.05 0.91 0.46 0.99 0.76 2.59 0.60 T 0.56 9.74 -1.98 83 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 0.12 0.31 0.14 0.01 0.03 0.25 0.63 0.25 0.90 0.23 0.09 0.42 3.38 -5.18 39 RSFW4 ROCK SPRINGS FD COOP 0.26 1.49 0.62 0.33 0.21 0.50 0.54 0.34 1.46 0.17 0.10 0.43 6.45 -3.21 66 GRNW4 GREEN RIVER COOP 0.33 1.05 0.88 0.61 0.36 0.65 0.35 0.48 2.04 0.23 0.15 0.90 8.03 -0.30 96 FGRW4 FLAMING GORGE COOP M M M M M M M M M M M M M M M FSNW4 FARSON 2NNE COOP 0.02 0.27 0.22 0.27 0.10 0.74 0.42 0.14 1.64 0.14 0.16 0.05 4.17 -5.13 44 BITW4 BITTER CREEK 4NE COOP 0.10 0.53 0.59 0.20 0.65 0.57 0.43 0.44 0.81 0.64 0.10 0.29 5.35 -1.59 77 WMSW4 WAMSUTTER COOP 0.25 1.71 1.11 0.53 0.27 0.39 0.50 0.32 0.89 0.63 0.10 0.23 6.93 -1.25 84 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 0.38 0.63 0.79 0.64 0.74 1.89 2.21 0.78 2.13 0.26 0.21 1.34 12.00 M M JFSW4 JACKSON COOP 0.44 0.97 0.82 2.06 1.03 2.47 1.52 0.63 1.55 0.52 0.24 1.17 13.42 -3.42 79 MOOW4 MOOSE COOP 1.12 1.03 2.16 4.09 2.36 2.43 2.78 1.55 2.61 0.66 0.19 1.85 22.83 +1.03 104 MRAW4 MORAN 5WNW COOP 1.12 0.96 2.53 3.67 2.51 2.82 2.22 1.93 2.17 1.19 0.19 1.34 22.65 +-2.00 91 DARW4 DARWIN RANCH COOP 0.33 0.98 0.65 0.80 1.12 1.08 1.12 0.08 3.88 1.00 0.28 0.71 12.03 -4.09 74 ALTW4 ALTA COOP 1.21 1.03 1.03 3.11 2.57 2.68 2.29 1.91 2.83 0.73 0.30 0.82 20.51 -4.78 81 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 0.36 0.52 T 0.15 0.40 0.06 0.50 0.48 0.77 0.11 0.13 0.62 4.10 -3.47 54 WORW4 WORLAND COOP 0.39 0.83 0.05 0.22 0.59 0.07 0.36 0.56 0.74 0.07 0.21 0.77 4.86 -2.96 62 TFRW4 TEN SLEEP 4NE COOP 1.99 1.32 0.32 0.61 1.39 0.37 1.20 1.18 1.30 0.01 0.43 0.70 10.82 -2.31 82 TNSW4 TEN SLEEP 16SSE COOP 1.84 1.54 0.44 0.67 1.06 0.48 1.26 0.77 0.56 T 0.41 0.50 9.53 -4.04 70 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 2.13 1.32 1.35 2.81 2.42 3.61 2.12 2.29 2.06 0.47 0.61 0.60 21.79 +1.49 107 LKYW4 LAKE YELLOWSTONE COOP 1.67 1.14 1.17 2.47 1.67 2.60 2.12 2.07 1.63 0.50 0.36 M 17.40 -2.04 89 OLFW4 OLD FAITHFUL COOP 2.29 1.19 1.49 2.41 1.91 3.68 2.19 2.75 2.18 1.40 0.49 1.20 23.18 -2.19 91 BKRW4 BECHLER RIVER COOP 2.65 M M M M M M M 4.35 1.48 0.49 0.95 M M M EYPW4 EAST ENTRANCE COOP 2.41 1.14 1.19 2.39 1.42 2.28 2.35 2.40 1.67 1.08 0.40 1.31 20.04 M M YLWW4 MAMMOTH COOP 1.02 1.14 0.70 0.46 1.35 2.44 0.54 3.28 1.59 1.01 0.97 0.52 15.02 +0.61 104 TWRW4 TOWER FALLS RNGR STN COOP 1.86 1.37 0.53 1.50 1.64 2.69 1.04 2.66 1.48 0.47 0.45 0.53 16.22 -0.20 98 LMRW4 LAMAR RNGR STN COOP 1.42 1.21 0.55 1.41 2.37 1.13 1.03 1.97 2.26 0.63 0.71 0.43 15.12 M M SNKW4 SNAKE RIVER RNGR STN COOP 2.25 1.08 2.95 5.45 2.44 3.68 3.25 2.79 2.00 2.16 0.39 0.97 29.41 -0.58 98