430
CDUS45 KRIW 230727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT MAY 23 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 22 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 51 3:22 PM 64 2001 53 -2 53
2023
MINIMUM 21R 5:01 AM 22 2022 28 -7 27
AVERAGE 36 40 -4 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 2004 0.08 -0.08 0.00
MONTH TO DATE 0.50 1.55 -1.05 2.32
SINCE MAR 1 4.42 5.73 -1.31 5.40
SINCE JAN 1 7.77 9.23 -1.46 9.10
DEGREE DAYS
HEATING
YESTERDAY 29 25 4 25
MONTH TO DATE 547 614 -67 557
SINCE MAR 1 2619 3060 -441 1752
SINCE JUL 1 9589 11264 -1675 8672
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 17 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.7
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 3:00 AM
LOWEST 30 3:00 PM
AVERAGE 63
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 69 2001
MINIMUM TEMPERATURE (F) 29 20 2022
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 5:46 AM MDT SUNSET 8:51 PM MDT
MAY 24 2026...........SUNRISE 5:45 AM MDT SUNSET 8:52 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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