203
CDUS45 KRIW 180729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST SUN JAN 18 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 17 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 36 4:03 PM 48 2020 29 7 35
MINIMUM 14 11:52 PM -15 2017 6 8 13
AVERAGE 25 17 8 24
PRECIPITATION (IN)
YESTERDAY 0.00 0.25 2008 0.00 0.00 0.00
MONTH TO DATE T 0.07 -0.07 0.16
SINCE DEC 1 0.24 0.18 0.06 0.39
SINCE JAN 1 T 0.07 -0.07 0.16
DEGREE DAYS
HEATING
YESTERDAY 40 48 -8 41
MONTH TO DATE 548 816 -268 765
SINCE DEC 1 1540 2231 -691 1874
SINCE JUL 1 2913 4008 -1095 3269
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
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WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.1
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 61 11:00 PM
LOWEST 29 3:00 PM
AVERAGE 45
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 42 2006
MINIMUM TEMPERATURE (F) 6 -10 2024
SUNRISE AND SUNSET
JANUARY 18 2026.......SUNRISE 7:43 AM MST SUNSET 5:03 PM MST
JANUARY 19 2026.......SUNRISE 7:43 AM MST SUNSET 5:04 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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