323
CDUS45 KRIW 300730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 30 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 29 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 78 1:59 PM 100 2012 85 -7 81
MINIMUM 60 11:56 PM 42 2018 52 8 59
AVERAGE 69 68 1 70
PRECIPITATION (IN)
YESTERDAY T R T 2010 0.01 -0.01 T
2014
2025
MONTH TO DATE 0.18 0.20 -0.02 0.12
SINCE JUN 1 0.92 1.44 -0.52 1.44
SINCE JAN 1 2.34 3.79 -1.45 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 8 -7 0
SINCE JUN 1 45 74 -29 46
SINCE JUL 1 1 12 -11 0
COOLING
YESTERDAY 4 5 -1 5
MONTH TO DATE 249 232 17 269
SINCE JUN 1 749 663 86 709
SINCE JAN 1 795 687 108 730
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 43 2:00 PM
AVERAGE 64
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 1999
MINIMUM TEMPERATURE (F) 51 43 2005
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:33 AM MDT SUNSET 7:52 PM MDT
AUGUST 31 2026........SUNRISE 6:34 AM MDT SUNSET 7:50 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page