983
CDUS45 KRIW 170730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT MON AUG 17 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 16 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 89 4:00 PM 100 2013 89 0 93
MINIMUM 54 5:44 AM 43 2009 56 -2 62
AVERAGE 72 73 -1 78
PRECIPITATION (IN)
YESTERDAY 0.05 0.11 2005 0.00 0.05 T
MONTH TO DATE 0.13 0.08 0.05 0.12
SINCE JUN 1 0.87 1.32 -0.45 1.44
SINCE JAN 1 2.29 3.67 -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 7 8 -1 13
MONTH TO DATE 137 152 -15 153
SINCE JUN 1 637 583 54 593
SINCE JAN 1 683 607 76 614
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 19 5:00 PM
AVERAGE 51
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 102 2020
MINIMUM TEMPERATURE (F) 56 41 2002
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:18 AM MDT SUNSET 8:14 PM MDT
AUGUST 18 2026........SUNRISE 6:19 AM MDT SUNSET 8:13 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