775
CDUS45 KRIW 010727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN JUN 01 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 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 75R 3:37 PM 71 2002 55 20 55
MINIMUM 28 5:16 AM 25 2006 30 -2 28
AVERAGE 52 43 9 42
PRECIPITATION (IN)
YESTERDAY 0.00 0.19 2005 0.09 -0.09 0.00
MONTH TO DATE 2.45 2.35 0.10 2.40
SINCE MAR 1 5.53 6.53 -1.00 7.73
SINCE JAN 1 9.23 10.03 -0.80 12.20
DEGREE DAYS
HEATING
YESTERDAY 13 22 -9 23
MONTH TO DATE 717 823 -106 776
SINCE MAR 1 1912 3269 -1357 2928
SINCE JUL 1 8832 11473 -2641 10402
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 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
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 88 5:00 AM
LOWEST 21 4:00 PM
AVERAGE 55
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 71 2020
MINIMUM TEMPERATURE (F) 31 26 2013
SUNRISE AND SUNSET
JUNE 1 2025..........SUNRISE 5:40 AM MDT SUNSET 9:00 PM MDT
JUNE 2 2025..........SUNRISE 5:39 AM MDT SUNSET 9:01 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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