918
CDUS45 KRIW 290730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE JUL 29 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 28 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 81 2:21 PM 84 2006 74 7 69
MINIMUM 36 5:41 AM 30 2015 40 -4 37
AVERAGE 59 57 2 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.51 2017 0.05 -0.05 0.00
MONTH TO DATE 0.49 1.38 -0.89 0.43
SINCE JUN 1 1.14 3.76 -2.62 1.67
SINCE JAN 1 10.37 13.79 -3.42 13.87
DEGREE DAYS
HEATING
YESTERDAY 6 8 -2 12
MONTH TO DATE 211 270 -59 227
SINCE JUN 1 653 808 -155 656
SINCE JUL 1 211 270 -59 227
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 9 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
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 78 5:00 AM
LOWEST 11 2:00 PM
AVERAGE 45
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 82 2006
MINIMUM TEMPERATURE (F) 40 28 2015
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 6:05 AM MDT SUNSET 8:50 PM MDT
JULY 30 2025..........SUNRISE 6:07 AM MDT SUNSET 8:49 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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