284
CDUS45 KRIW 190728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST THU FEB 19 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR FEBRUARY 18 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 33 9:58 AM 64 2016 37 -4 2
MINIMUM 8 11:59 PM -19 2006 13 -5 -5
AVERAGE 21 25 -4 -1
PRECIPITATION (IN)
YESTERDAY T R T 2009 0.01 -0.01 0.02
2014
2021
MONTH TO DATE 0.02 0.09 -0.07 0.05
SINCE DEC 1 0.26 0.35 -0.09 0.44
SINCE JAN 1 0.02 0.24 -0.22 0.21
DEGREE DAYS
HEATING
YESTERDAY 44 40 4 66
MONTH TO DATE 505 785 -280 1099
SINCE DEC 1 2668 3674 -1006 3672
SINCE JUL 1 4041 5451 -1410 5067
COOLING
YESTERDAY 0 0 0 0
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 30 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 8:00 PM
LOWEST 37 12:00 PM
AVERAGE 61
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 60 2016
MINIMUM TEMPERATURE (F) 13 -26 2025
SUNRISE AND SUNSET
FEBRUARY 19 2026......SUNRISE 7:06 AM MST SUNSET 5:47 PM MST
FEBRUARY 20 2026......SUNRISE 7:04 AM MST SUNSET 5:48 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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