472
CDUS45 KRIW 260732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST FRI DEC 26 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 25 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 37R 1:10 AM 32 1999 23 14 30
2005
MINIMUM 30 10:48 PM -17 2002 1 29 20
AVERAGE 34 12 22 25
PRECIPITATION (IN)
YESTERDAY 0.91R 0.36 2021 0.07 0.84 0.03
MONTH TO DATE 4.83 1.86 2.97 0.64
SINCE DEC 1 4.83 1.86 2.97 0.64
SINCE JAN 1 22.57 22.60 -0.03 19.02
DEGREE DAYS
HEATING
YESTERDAY 31 53 -22 40
MONTH TO DATE 980 1294 -314 1107
SINCE DEC 1 980 1294 -314 1107
SINCE JUL 1 3938 4801 -863 4214
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 85 12:00 PM
AVERAGE 93
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 23 34 2004
2022
MINIMUM TEMPERATURE (F) 1 -18 2015
SUNRISE AND SUNSET
DECEMBER 26 2025......SUNRISE 7:57 AM MST SUNSET 4:48 PM MST
DECEMBER 27 2025......SUNRISE 7:58 AM MST SUNSET 4:48 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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