Climatological Report (Daily)
Issued by NWS
Issued by NWS
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740
CDUS45 KRIW 300732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST SUN NOV 30 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 29 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 23 2:56 PM 43 2021 26 -3 24
MINIMUM -8 8:23 AM -16 2004 6 -14 5
AVERAGE 8 16 -8 15
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 2019 0.07 -0.07 0.01
MONTH TO DATE 1.06 1.99 -0.93 1.16
SINCE SEP 1 6.00 5.41 0.59 3.19
SINCE JAN 1 17.71 20.67 -2.96 18.38
DEGREE DAYS
HEATING
YESTERDAY 57 49 8 50
MONTH TO DATE 998 1255 -257 1258
SINCE SEP 1 2391 2815 -424 2479
SINCE JUL 1 2907 3457 -550 3056
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 1.6
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 87 6:00 AM
LOWEST 31 3:00 PM
AVERAGE 59
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 26 45 1999
MINIMUM TEMPERATURE (F) 6 -14 2010
SUNRISE AND SUNSET
NOVEMBER 30 2025......SUNRISE 7:37 AM MST SUNSET 4:43 PM MST
DECEMBER 1 2025......SUNRISE 7:39 AM MST SUNSET 4:43 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$