488
CDUS45 KRIW 210727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST WED JAN 21 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 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 35 3:35 PM 47 1999 29 6 5
MINIMUM 10 5:04 AM -14 2025 6 4 -14
AVERAGE 23 17 6 -4
PRECIPITATION (IN)
YESTERDAY T 0.05 2001 0.01 -0.01 0.00
MONTH TO DATE T 0.09 -0.09 0.16
SINCE DEC 1 0.24 0.20 0.04 0.39
SINCE JAN 1 T 0.09 -0.09 0.16
DEGREE DAYS
HEATING
YESTERDAY 42 48 -6 69
MONTH TO DATE 669 960 -291 948
SINCE DEC 1 1661 2375 -714 2057
SINCE JUL 1 3034 4152 -1118 3452
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 29 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 6:00 AM
LOWEST 41 4:00 PM
AVERAGE 63
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 51 2005
MINIMUM TEMPERATURE (F) 6 -25 2008
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 7:41 AM MST SUNSET 5:06 PM MST
JANUARY 22 2026.......SUNRISE 7:40 AM MST SUNSET 5:08 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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