635
CDUS45 KRIW 130728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT THU AUG 13 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 12 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 83 3:41 PM 105 2018 90 -7 94
MINIMUM 62 5:08 AM 45 2004 57 5 59
AVERAGE 73 74 -1 77
PRECIPITATION (IN)
YESTERDAY T 0.04 2005 0.00 0.00 0.03
MONTH TO DATE T 0.06 -0.06 0.09
SINCE JUN 1 0.74 1.30 -0.56 1.41
SINCE JAN 1 2.16 3.65 -1.49 4.12
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 8 9 -1 12
MONTH TO DATE 118 119 -1 100
SINCE JUN 1 618 550 68 540
SINCE JAN 1 664 574 90 561
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 8:00 AM
LOWEST 29 12:00 AM
AVERAGE 38
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 103 2003
MINIMUM TEMPERATURE (F) 57 47 2004
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 6:13 AM MDT SUNSET 8:20 PM MDT
AUGUST 14 2026........SUNRISE 6:14 AM MDT SUNSET 8:19 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