077
CDUS45 KRIW 210726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SAT MAR 21 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MARCH 20 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 59R 4:15 PM 51 1999 36 23 MM
MINIMUM 25 6:37 AM -9 2010 9 16 MM
AVERAGE 42 22 20 MM
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 2021 0.07 -0.07 MM
MONTH TO DATE 0.96 1.13 -0.17 T
SINCE MAR 1 0.96 1.13 -0.17 T
SINCE JAN 1 4.31 4.63 -0.32 3.70
DEGREE DAYS
HEATING
YESTERDAY 23 42 -19 MM
MONTH TO DATE 756 905 -149 MM
SINCE MAR 1 756 905 -149 MM
SINCE JUL 1 7726 9109 -1383 6920
COOLING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 MM
SINCE MAR 1 0 0 0 MM
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.4
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 84 6:00 AM
LOWEST 22 3:00 PM
AVERAGE 53
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 51 2009
MINIMUM TEMPERATURE (F) 9 -11 2022
SUNRISE AND SUNSET
MARCH 21 2026.........SUNRISE 7:23 AM MDT SUNSET 7:36 PM MDT
MARCH 22 2026.........SUNRISE 7:21 AM MDT SUNSET 7:37 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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