Climatological Report (Daily)
Issued by NWS
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911
CDUS45 KRIW 010737
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
137 AM MDT FRI AUG 01 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 31 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 79 2:21 PM 86 2000 74 5 72
MINIMUM 37 5:49 AM 34 2001 40 -3 36
2008
AVERAGE 58 57 1 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.23 2021 0.04 -0.04 0.00
MONTH TO DATE 0.74 1.51 -0.77 0.50
SINCE JUN 1 1.39 3.89 -2.50 1.74
SINCE JAN 1 10.62 13.92 -3.30 13.94
DEGREE DAYS
HEATING
YESTERDAY 7 8 -1 11
MONTH TO DATE 231 294 -63 262
SINCE JUN 1 673 832 -159 691
SINCE JUL 1 231 294 -63 262
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
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 100 12:00 AM
LOWEST 22 3:00 PM
AVERAGE 61
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 86 2000
MINIMUM TEMPERATURE (F) 40 30 2001
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:09 AM MDT SUNSET 8:46 PM MDT
AUGUST 2 2025........SUNRISE 6:10 AM MDT SUNSET 8:45 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$