145
CDUS45 KRIW 250733
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT SUN MAY 25 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 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 56 4:22 PM 71 2001 53 3 47
MINIMUM 28 3:13 AM 22 2007 29 -1 27
AVERAGE 42 41 1 37
PRECIPITATION (IN)
YESTERDAY 0.04 0.88 2011 0.09 -0.05 0.00
MONTH TO DATE 2.36 1.72 0.64 1.50
SINCE MAR 1 5.44 5.90 -0.46 6.83
SINCE JAN 1 9.14 9.40 -0.26 11.30
DEGREE DAYS
HEATING
YESTERDAY 23 24 -1 28
MONTH TO DATE 604 662 -58 610
SINCE MAR 1 1799 3108 -1309 2762
SINCE JUL 1 8719 11312 -2593 10236
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 1.5
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 92 7:00 AM
LOWEST 35 4:00 PM
AVERAGE 64
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 69 2003
MINIMUM TEMPERATURE (F) 29 23 2005
SUNRISE AND SUNSET
MAY 25 2025...........SUNRISE 5:44 AM MDT SUNSET 8:54 PM MDT
MAY 26 2025...........SUNRISE 5:43 AM MDT SUNSET 8:55 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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