Climatological Report (Daily)
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CDUS45 KRIW 020731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT FRI OCT 02 2026
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 1 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 73 4:31 PM 91 2011 68 5 78
MINIMUM 43 6:00 AM 30 2003 39 4 50
2021
2024
AVERAGE 58 54 4 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 2000 0.03 -0.03 0.00
MONTH TO DATE 0.00 0.03 -0.03 0.00
SINCE SEP 1 0.17 0.86 -0.69 0.65
SINCE JAN 1 2.51 4.68 -2.17 4.85
DEGREE DAYS
HEATING
YESTERDAY 7 12 -5 1
MONTH TO DATE 7 12 -5 1
SINCE SEP 1 77 181 -104 62
SINCE JUL 1 79 200 -121 62
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 57 46 11 50
SINCE JAN 1 855 742 113 791
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 6:00 AM
LOWEST 33 4:00 PM
AVERAGE 56
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 2018
MINIMUM TEMPERATURE (F) 39 29 2009
SUNRISE AND SUNSET
OCTOBER 2 2026.......SUNRISE 7:11 AM MDT SUNSET 6:51 PM MDT
OCTOBER 3 2026.......SUNRISE 7:13 AM MDT SUNSET 6:49 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$