Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 060735
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1235 AM MST SAT DEC 06 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 5 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 28 11:45 PM 37 2014 25 3 33
MINIMUM 15 8:57 AM -21 2013 5 10 4
AVERAGE 22 15 7 19
PRECIPITATION (IN)
YESTERDAY 0.29 0.40 2012 0.07 0.22 0.00
MONTH TO DATE 0.56 0.36 0.20 0.00
SINCE DEC 1 0.56 0.36 0.20 0.00
SINCE JAN 1 18.30 21.10 -2.80 18.38
DEGREE DAYS
HEATING
YESTERDAY 43 50 -7 46
MONTH TO DATE 239 249 -10 223
SINCE DEC 1 239 249 -10 223
SINCE JUL 1 3197 3756 -559 3330
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 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.7
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 92 11:00 PM
LOWEST 74 1:00 PM
AVERAGE 83
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 24 42 2023
MINIMUM TEMPERATURE (F) 4 -23 2013
SUNRISE AND SUNSET
DECEMBER 6 2025......SUNRISE 7:44 AM MST SUNSET 4:42 PM MST
DECEMBER 7 2025......SUNRISE 7:45 AM MST SUNSET 4:42 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$