141
CDUS45 KRIW 280730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU MAY 28 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 27 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 89R 3:31 PM 87 2010 74 15 82
MINIMUM 62 4:32 AM 36 2017 48 14 49
AVERAGE 76 61 15 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.49 2019 0.05 -0.05 T
MONTH TO DATE 0.34 1.12 -0.78 1.57
SINCE MAR 1 1.24 1.87 -0.63 2.49
SINCE JAN 1 1.28 2.14 -0.86 2.70
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 245 253 -8 204
SINCE MAR 1 1364 1643 -279 1484
SINCE JUL 1 5752 7467 -1715 6969
COOLING
YESTERDAY 11 1 10 1
MONTH TO DATE 26 13 13 10
SINCE MAR 1 26 14 12 10
SINCE JAN 1 26 14 12 10
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 12.1
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 50 3:00 AM
LOWEST 21 3:00 PM
AVERAGE 36
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 96 2014
MINIMUM TEMPERATURE (F) 48 39 2012
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 5:33 AM MDT SUNSET 8:47 PM MDT
MAY 29 2026...........SUNRISE 5:32 AM MDT SUNSET 8:48 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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