912
CDUS45 KRIW 120731
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST FRI DEC 12 2025
...............................
..THE BUFFALO WY CLIMATE SUMMARY FOR DECEMBER 11 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64R 12:04 PM 58 2004 36 28 43
MINIMUM 25 11:59 PM -13 2000 17 8 18
AVERAGE 45 27 18 31
PRECIPITATION (IN)
YESTERDAY T 0.15 2010 0.00 0.00 0.00
MONTH TO DATE 0.11 0.07 0.04 T
SINCE DEC 1 0.11 0.07 0.04 T
SINCE JAN 1 11.49 12.45 -0.96 8.60
DEGREE DAYS
HEATING
YESTERDAY 20 38 -18 34
MONTH TO DATE 354 410 -56 315
SINCE DEC 1 354 410 -56 315
SINCE JUL 1 1744 2166 -422 1712
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 494 528 -34 663
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 15.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 7:00 PM
LOWEST 19 10:00 AM
AVERAGE 56
......................................................
THE BUFFALO WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 70 2017
MINIMUM TEMPERATURE (F) 17 -3 2000
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 7:34 AM MST SUNSET 4:28 PM MST
DECEMBER 13 2025......SUNRISE 7:35 AM MST SUNSET 4:28 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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