175
CDUS45 KRIW 200728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST THU NOV 20 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 19 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 2:38 PM 64 2003 42 15 37
MINIMUM 37 11:59 PM -10 2022 17 20 15
AVERAGE 47 29 18 26
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2011 0.01 -0.01 0.00
MONTH TO DATE 0.04 0.13 -0.09 0.21
SINCE SEP 1 2.58 1.56 1.02 0.97
SINCE JAN 1 6.78 5.38 1.40 6.28
DEGREE DAYS
HEATING
YESTERDAY 18 36 -18 39
MONTH TO DATE 399 587 -188 543
SINCE SEP 1 992 1331 -339 988
SINCE JUL 1 992 1350 -358 1001
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 50 48 2 91
SINCE JAN 1 791 744 47 832
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 42 2:00 PM
AVERAGE 70
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 61 2012
MINIMUM TEMPERATURE (F) 17 -10 2000
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 7:16 AM MST SUNSET 4:40 PM MST
NOVEMBER 21 2025......SUNRISE 7:17 AM MST SUNSET 4:39 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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