043
CDUS45 KRIW 160727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT MAY 16 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 15 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 75 5:08 PM 87 2012 70 5 61
MINIMUM 41 5:01 AM 35 2004 43 -2 45
AVERAGE 58 57 1 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2015 0.04 -0.04 T
MONTH TO DATE 0.22 0.53 -0.31 1.35
SINCE MAR 1 1.12 1.28 -0.16 2.27
SINCE JAN 1 1.16 1.55 -0.39 2.48
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 12
MONTH TO DATE 124 171 -47 118
SINCE MAR 1 1243 1561 -318 1398
SINCE JUL 1 5631 7385 -1754 6883
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 1 9 9
SINCE MAR 1 10 2 8 9
SINCE JAN 1 10 2 8 9
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 8.0
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 53 5:00 AM
LOWEST 12 5:00 PM
AVERAGE 33
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 2012
MINIMUM TEMPERATURE (F) 44 36 2009
SUNRISE AND SUNSET
MAY 16 2026...........SUNRISE 5:43 AM MDT SUNSET 8:35 PM MDT
MAY 17 2026...........SUNRISE 5:42 AM MDT SUNSET 8:36 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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