376
CDUS45 KRIW 210728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST SAT FEB 21 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 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 17 3:32 PM 36 2024 27 -10 MM
MINIMUM -24 7:40 AM -33 2018 1 -25 MM
AVERAGE -3 14 -17 MM
PRECIPITATION (IN)
YESTERDAY 0.03 0.55 2017 0.06 -0.03 MM
MONTH TO DATE 1.52 1.25 0.27 2.16
SINCE DEC 1 8.55 5.40 3.15 5.03
SINCE JAN 1 3.13 3.05 0.08 3.70
DEGREE DAYS
HEATING
YESTERDAY 68 51 17 MM
MONTH TO DATE 888 1045 -157 693
SINCE DEC 1 3681 4300 -619 3813
SINCE JUL 1 6639 7807 -1168 6920
COOLING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 1.3
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 87 10:00 PM
LOWEST 56 3:00 PM
AVERAGE 72
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 28 38 2012
MINIMUM TEMPERATURE (F) 1 -26 2018
SUNRISE AND SUNSET
FEBRUARY 21 2026......SUNRISE 7:12 AM MST SUNSET 5:59 PM MST
FEBRUARY 22 2026......SUNRISE 7:10 AM MST SUNSET 6:00 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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