160
CDUS45 KRIW 220731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SAT AUG 22 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 21 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 99 3:21 PM 101 2023 88 11 93
2024
MINIMUM 59 6:04 AM 47 2016 55 4 66
2021
AVERAGE 79 71 8 80
PRECIPITATION (IN)
YESTERDAY 0.00 T 2007 0.01 -0.01 0.00
2007
2014
MONTH TO DATE 0.17 0.12 0.05 0.12
SINCE JUN 1 0.91 1.36 -0.45 1.44
SINCE JAN 1 2.33 3.71 -1.38 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 45 66 -21 46
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 14 7 7 15
MONTH TO DATE 180 188 -8 215
SINCE JUN 1 680 619 61 655
SINCE JAN 1 726 643 83 676
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.2
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 62 6:00 AM
LOWEST 13 3:00 PM
AVERAGE 38
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2011
2020
2023
MINIMUM TEMPERATURE (F) 54 46 2015
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 6:23 AM MDT SUNSET 8:06 PM MDT
AUGUST 23 2026........SUNRISE 6:25 AM MDT SUNSET 8:04 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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