323
CDUS45 KRIW 300745
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
145 AM MDT WED JUL 30 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 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 77 11:58 AM 82 2006 74 3 74
MINIMUM 43 5:41 AM 28 2015 40 3 31
AVERAGE 60 57 3 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.60 2017 0.04 -0.04 0.00
MONTH TO DATE 0.49 1.42 -0.93 0.43
SINCE JUN 1 1.14 3.80 -2.66 1.67
SINCE JAN 1 10.37 13.83 -3.46 13.87
DEGREE DAYS
HEATING
YESTERDAY 5 8 -3 12
MONTH TO DATE 216 278 -62 239
SINCE JUN 1 658 816 -158 668
SINCE JUL 1 216 278 -62 239
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 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.2
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 89 5:00 AM
LOWEST 16 2:00 PM
AVERAGE 53
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 82 2000
2012
MINIMUM TEMPERATURE (F) 40 29 2009
SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE 6:07 AM MDT SUNSET 8:49 PM MDT
JULY 31 2025..........SUNRISE 6:08 AM MDT SUNSET 8:48 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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