653
CDUS45 KRIW 200729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST TUE JAN 20 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 19 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 37 4:03 PM 46 1999 29 8 13
MINIMUM 14 8:01 AM -13 2024 6 8 -2
AVERAGE 26 17 9 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.07 2008 0.00 0.00 T
MONTH TO DATE T 0.08 -0.08 0.16
SINCE DEC 1 0.24 0.19 0.05 0.39
SINCE JAN 1 T 0.08 -0.08 0.16
DEGREE DAYS
HEATING
YESTERDAY 39 48 -9 59
MONTH TO DATE 627 912 -285 879
SINCE DEC 1 1619 2327 -708 1988
SINCE JUL 1 2992 4104 -1112 3383
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 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 8:00 AM
LOWEST 40 4:00 PM
AVERAGE 64
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 47 1999
MINIMUM TEMPERATURE (F) 6 -14 2025
SUNRISE AND SUNSET
JANUARY 20 2026.......SUNRISE 7:42 AM MST SUNSET 5:05 PM MST
JANUARY 21 2026.......SUNRISE 7:41 AM MST SUNSET 5:06 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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