466
CDUS45 KRIW 250730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT MON AUG 25 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 24 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 78 4:09 PM 80 2020 69 9 70
MINIMUM 39 6:01 AM 28 2010 35 4 38
AVERAGE 59 52 7 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 2022 0.04 -0.04 0.00
MONTH TO DATE 0.09 1.02 -0.93 1.14
SINCE JUN 1 1.48 4.91 -3.43 2.88
SINCE JAN 1 10.71 14.94 -4.23 15.08
DEGREE DAYS
HEATING
YESTERDAY 6 13 -7 11
MONTH TO DATE 198 248 -50 211
SINCE JUN 1 871 1082 -211 902
SINCE JUL 1 429 544 -115 473
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.1
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 79 4:00 AM
LOWEST 13 5:00 PM
AVERAGE 46
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 80 2008
2015
MINIMUM TEMPERATURE (F) 35 28 2005
2016
SUNRISE AND SUNSET
AUGUST 25 2025........SUNRISE 6:37 AM MDT SUNSET 8:10 PM MDT
AUGUST 26 2025........SUNRISE 6:38 AM MDT SUNSET 8:08 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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