002
CDUS45 KRIW 100728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST TUE FEB 10 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 9 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 32 12:10 PM 37 2015 24 8 15
2016
MINIMUM 11 11:34 PM -32 2011 0 11 -7
AVERAGE 22 12 10 4
PRECIPITATION (IN)
YESTERDAY 0.60 0.97 2017 0.07 0.53 0.01
MONTH TO DATE 0.62 0.55 0.07 2.03
SINCE DEC 1 7.65 4.70 2.95 4.90
SINCE JAN 1 2.23 2.35 -0.12 3.57
DEGREE DAYS
HEATING
YESTERDAY 43 53 -10 61
MONTH TO DATE 353 477 -124 414
SINCE DEC 1 3146 3732 -586 3534
SINCE JUL 1 6104 7239 -1135 6641
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.0
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 96 1:00 AM
LOWEST 71 3:00 PM
AVERAGE 84
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 25 42 2016
MINIMUM TEMPERATURE (F) 0 -20 2006
SUNRISE AND SUNSET
FEBRUARY 10 2026......SUNRISE 7:29 AM MST SUNSET 5:44 PM MST
FEBRUARY 11 2026......SUNRISE 7:27 AM MST SUNSET 5:45 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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