Climatological Report (Daily)
Issued by NWS
Issued by NWS
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863
CDUS45 KRIW 290728
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST MON DEC 29 2025
...................................
...THE BIG PINEY WY CLIMATE SUMMARY FOR DECEMBER 28 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 20 3:21 PM 47 1999 26 -6 32
MINIMUM -4 4:45 AM -26 1982 -4 0 3
1983
AVERAGE 8 11 -3
PRECIPITATION (IN)
YESTERDAY T 0.30 1988 0.01 -0.01 0.04
MONTH TO DATE 0.67 0.20 0.47 0.21
SINCE DEC 1 0.67 0.20 0.47 0.21
SINCE JAN 1 8.58 7.63 0.95 4.33
DEGREE DAYS
HEATING
YESTERDAY 57 54 3 47
MONTH TO DATE 1020 1459 -439 1284
SINCE DEC 1 1020 1459 -439 1284
SINCE JUL 1 3079 4212 -1133 3815
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 41 30 11 64
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 12:00 AM
LOWEST 41 3:00 PM
AVERAGE 65
..........................................................
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 26 51 1999
MINIMUM TEMPERATURE (F) -4 -29 1983
SUNRISE AND SUNSET
DECEMBER 29 2025......SUNRISE 7:50 AM MST SUNSET 4:56 PM MST
DECEMBER 30 2025......SUNRISE 7:50 AM MST SUNSET 4:56 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$