131
CDUS45 KRIW 140729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 14 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 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 85 5:16 PM 92 2015 78 7 71
MINIMUM 48 5:31 AM 31 1999 46 2 51
AVERAGE 67 62 5 61
PRECIPITATION (IN)
YESTERDAY T 0.20 2004 0.03 -0.03 T
2004
2016
MONTH TO DATE T 0.30 -0.30 0.09
SINCE SEP 1 T 0.30 -0.30 0.09
SINCE JAN 1 2.34 4.12 -1.78 4.29
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 4
MONTH TO DATE 10 39 -29 13
SINCE SEP 1 10 39 -29 13
SINCE JUL 1 12 58 -46 13
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 55 36 19 45
SINCE SEP 1 55 36 19 45
SINCE JAN 1 853 732 121 786
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.1
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 68 7:00 AM
LOWEST 23 5:00 PM
AVERAGE 46
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 2015
2020
MINIMUM TEMPERATURE (F) 46 35 2003
2007
2012
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 6:50 AM MDT SUNSET 7:24 PM MDT
SEPTEMBER 15 2026.....SUNRISE 6:51 AM MDT SUNSET 7:23 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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