416
CDUS45 KRIW 300732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SAT MAY 30 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 29 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 68 11:17 AM 77 2003 55 13 69
MINIMUM 32 5:22 AM 26 2016 30 2 31
2021
AVERAGE 50 42 8 50
PRECIPITATION (IN)
YESTERDAY 0.01 0.93 2022 0.10 -0.09 0.04
MONTH TO DATE 0.56 2.17 -1.61 2.45
SINCE MAR 1 4.48 6.35 -1.87 5.53
SINCE JAN 1 7.83 9.85 -2.02 9.23
DEGREE DAYS
HEATING
YESTERDAY 15 23 -8 15
MONTH TO DATE 661 779 -118 690
SINCE MAR 1 2733 3225 -492 1885
SINCE JUL 1 9703 11429 -1726 8805
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 NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 2.0
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 4:00 AM
LOWEST 21 12:00 PM
AVERAGE 55
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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 2026...........SUNRISE 5:41 AM MDT SUNSET 8:58 PM MDT
MAY 31 2026...........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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