112
CDUS45 KRIW 010728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 01 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 31 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 68 MM 94 2020 76 -8 87
MINIMUM 47 MM 37 2004 49 -2 47
AVERAGE 58 62 -4 67
PRECIPITATION (IN)
YESTERDAY 0.05 0.22 1999 0.05 0.00 0.00
MONTH TO DATE 0.48 1.33 -0.85 1.58
SINCE MAR 1 1.38 2.08 -0.70 2.50
SINCE JAN 1 1.42 2.35 -0.93 2.71
DEGREE DAYS
HEATING
YESTERDAY 7 4 3 0
MONTH TO DATE 252 272 -20 204
SINCE MAR 1 1371 1662 -291 1484
SINCE JUL 1 5759 7486 -1727 6969
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 46 23 23 21
SINCE MAR 1 46 24 22 21
SINCE JAN 1 46 24 22 21
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 39 4:00 PM
AVERAGE 65
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 2020
2025
MINIMUM TEMPERATURE (F) 49 36 2022
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:31 AM MDT SUNSET 8:50 PM MDT
JUNE 2 2026..........SUNRISE 5:30 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page