Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 220728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST SAT NOV 22 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 21 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 43R 1:57 PM 43 2006 30 13 35
MINIMUM 20 3:40 AM -13 2015 9 11 11
AVERAGE 32 19 13 23
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 2003 0.07 -0.07 0.01
MONTH TO DATE 0.70 1.45 -0.75 0.75
SINCE SEP 1 5.64 4.87 0.77 2.78
SINCE JAN 1 17.35 20.13 -2.78 17.97
DEGREE DAYS
HEATING
YESTERDAY 33 46 -13 42
MONTH TO DATE 653 876 -223 906
SINCE SEP 1 2046 2436 -390 2127
SINCE JUL 1 2562 3078 -516 2704
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 10 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 1.8
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 5:00 AM
LOWEST 46 3:00 PM
AVERAGE 71
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 45 2024
MINIMUM TEMPERATURE (F) 9 -15 2003
SUNRISE AND SUNSET
NOVEMBER 22 2025......SUNRISE 7:28 AM MST SUNSET 4:48 PM MST
NOVEMBER 23 2025......SUNRISE 7:29 AM MST SUNSET 4:47 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$