802
CDUS45 KRIW 140731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU MAY 14 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 13 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 96R 1:56 PM 94 2001 69 27 73
MINIMUM 45 5:28 AM 28 2014 43 2 45
AVERAGE 71 56 15 59
PRECIPITATION (IN)
YESTERDAY T 0.60 2025 0.04 -0.04 0.60
MONTH TO DATE 0.22 0.44 -0.22 1.12
SINCE MAR 1 1.12 1.19 -0.07 2.04
SINCE JAN 1 1.16 1.46 -0.30 2.25
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 6
MONTH TO DATE 116 153 -37 92
SINCE MAR 1 1235 1543 -308 1372
SINCE JUL 1 5623 7367 -1744 6857
COOLING
YESTERDAY 6 0 6 0
MONTH TO DATE 10 0 10 9
SINCE MAR 1 10 1 9 9
SINCE JAN 1 10 1 9 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 41 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.6
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 61 3:00 AM
LOWEST 9 2:00 PM
AVERAGE 35
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 2001
MINIMUM TEMPERATURE (F) 43 32 2004
SUNRISE AND SUNSET
MAY 14 2026...........SUNRISE 5:46 AM MDT SUNSET 8:32 PM MDT
MAY 15 2026...........SUNRISE 5:45 AM MDT SUNSET 8:33 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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