691
CDUS45 KRIW 180728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI JUL 18 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 17 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 95 4:58 PM 103 2003 92 3 96
2022
MINIMUM 54 5:13 AM 53 1999 59 -5 62
AVERAGE 75 76 -1 79
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2008 0.00 0.00 0.00
MONTH TO DATE 0.19 0.11 0.08 0.98
SINCE JUN 1 0.65 1.19 -0.54 1.38
SINCE JAN 1 3.36 3.54 -0.18 4.61
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE JUN 1 46 62 -16 33
SINCE JUL 1 0 0 0 4
COOLING
YESTERDAY 10 11 -1 14
MONTH TO DATE 161 154 7 151
SINCE JUN 1 293 276 17 325
SINCE JAN 1 314 300 14 325
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 5.6
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 80 4:00 AM
LOWEST 11 4:00 PM
AVERAGE 46
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 93 104 2006
2021
MINIMUM TEMPERATURE (F) 59 49 2005
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 5:45 AM MDT SUNSET 8:52 PM MDT
JULY 19 2025..........SUNRISE 5:46 AM MDT SUNSET 8:51 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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