113
CDUS45 KRIW 010728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 01 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 31 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 47 2:57 PM 75 2025 55 -8 75
MINIMUM 30 11:59 PM 25 2006 30 0 28
AVERAGE 39 43 -4 52
PRECIPITATION (IN)
YESTERDAY 0.18 0.19 2005 0.09 0.09 0.00
MONTH TO DATE 0.97 2.35 -1.38 2.45
SINCE MAR 1 4.89 6.53 -1.64 5.53
SINCE JAN 1 8.24 10.03 -1.79 9.23
DEGREE DAYS
HEATING
YESTERDAY 26 22 4 13
MONTH TO DATE 708 823 -115 717
SINCE MAR 1 2780 3269 -489 1912
SINCE JUL 1 9750 11473 -1723 8832
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 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 68 3:00 PM
AVERAGE 83
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 75 2025
MINIMUM TEMPERATURE (F) 31 26 2013
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:40 AM MDT SUNSET 9:00 PM MDT
JUNE 2 2026..........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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