Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 010731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST MON DEC 01 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 30 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 27 3:13 PM 45 1999 26 1 24
MINIMUM 0 11:59 PM -14 2010 6 -6 3
AVERAGE 14 16 -2 14
PRECIPITATION (IN)
YESTERDAY 0.03 0.41 2012 0.07 -0.04 0.00
MONTH TO DATE 1.09 2.06 -0.97 1.16
SINCE SEP 1 6.03 5.48 0.55 3.19
SINCE JAN 1 17.74 20.74 -3.00 18.38
DEGREE DAYS
HEATING
YESTERDAY 51 49 2 51
MONTH TO DATE 1049 1304 -255 1309
SINCE SEP 1 2442 2864 -422 2530
SINCE JUL 1 2958 3506 -548 3107
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 7 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 1.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 7:00 AM
LOWEST 50 2:00 PM
AVERAGE 69
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 26 41 2003
MINIMUM TEMPERATURE (F) 6 -11 2009
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:39 AM MST SUNSET 4:43 PM MST
DECEMBER 2 2025......SUNRISE 7:40 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.
$$