843
CDUS45 KRIW 300727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI MAY 30 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 29 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 69 2:35 PM 77 2003 55 14 53
MINIMUM 31 5:00 AM 26 2016 30 1 33
2021
AVERAGE 50 42 8 43
PRECIPITATION (IN)
YESTERDAY 0.04 0.93 2022 0.10 -0.06 0.32
MONTH TO DATE 2.45 2.17 0.28 2.38
SINCE MAR 1 5.53 6.35 -0.82 7.71
SINCE JAN 1 9.23 9.85 -0.62 12.18
DEGREE DAYS
HEATING
YESTERDAY 15 23 -8 22
MONTH TO DATE 690 779 -89 726
SINCE MAR 1 1885 3225 -1340 2878
SINCE JUL 1 8805 11429 -2624 10352
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 (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.3
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 96 5:00 AM
LOWEST 46 2:00 PM
AVERAGE 71
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 75 2020
MINIMUM TEMPERATURE (F) 30 24 2007
SUNRISE AND SUNSET
MAY 30 2025...........SUNRISE 5:41 AM MDT SUNSET 8:58 PM MDT
MAY 31 2025...........SUNRISE 5:40 AM MDT SUNSET 8:59 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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