477
CDUS45 KRIW 290731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT MON JUN 29 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 28 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 77 3:07 PM 102 2002 87 -10 90
MINIMUM 47 4:51 AM 42 1999 55 -8 64
AVERAGE 62 71 -9 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.73 2020 0.02 -0.02 0.00
MONTH TO DATE 0.41 1.05 -0.64 0.46
SINCE JUN 1 0.41 1.05 -0.64 0.46
SINCE JAN 1 1.83 3.40 -1.57 3.17
DEGREE DAYS
HEATING
YESTERDAY 3 1 2 0
MONTH TO DATE 40 62 -22 46
SINCE JUN 1 40 62 -22 46
SINCE JUL 1 5799 7547 -1748 7015
COOLING
YESTERDAY 0 6 -6 12
MONTH TO DATE 70 108 -38 120
SINCE JUN 1 70 108 -38 120
SINCE JAN 1 116 132 -16 141
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 14 3:00 PM
AVERAGE 54
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 105 2002
MINIMUM TEMPERATURE (F) 56 47 2014
2024
SUNRISE AND SUNSET
JUNE 29 2026..........SUNRISE 5:30 AM MDT SUNSET 9:01 PM MDT
JUNE 30 2026..........SUNRISE 5:31 AM MDT SUNSET 9:01 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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