188
CDUS45 KRIW 180728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT JUL 18 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 17 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 96 1:44 PM 103 2003 92 4 95
2022
MINIMUM 66 5:15 AM 53 1999 59 7 54
AVERAGE 81 76 5 75
PRECIPITATION (IN)
YESTERDAY T 0.10 2008 0.00 0.00 0.00
MONTH TO DATE 0.15 0.11 0.04 0.19
SINCE JUN 1 0.56 1.19 -0.63 0.65
SINCE JAN 1 1.98 3.54 -1.56 3.36
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 44 62 -18 46
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 11 5 10
MONTH TO DATE 189 154 35 161
SINCE JUN 1 259 276 -17 293
SINCE JAN 1 305 300 5 314
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 AM
LOWEST 23 4:00 PM
AVERAGE 50
......................................................
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 2026..........SUNRISE 5:45 AM MDT SUNSET 8:52 PM MDT
JULY 19 2026..........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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