501
CDUS45 KRIW 050730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT MON OCT 05 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 4 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 82 4:20 PM 86 2010 66 16 59
2024
MINIMUM 40 6:48 AM 23 1999 38 2 43
AVERAGE 61 52 9 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 2025 0.03 -0.03 0.68
MONTH TO DATE 0.00 0.12 -0.12 0.70
SINCE SEP 1 0.17 0.95 -0.78 1.35
SINCE JAN 1 2.51 4.77 -2.26 5.55
DEGREE DAYS
HEATING
YESTERDAY 4 13 -9 14
MONTH TO DATE 20 49 -29 18
SINCE SEP 1 90 218 -128 79
SINCE JUL 1 92 237 -145 79
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
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 2.6
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 70 7:00 AM
LOWEST 18 4:00 PM
AVERAGE 44
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 84 2021
MINIMUM TEMPERATURE (F) 38 27 1999
2013
SUNRISE AND SUNSET
OCTOBER 5 2026.......SUNRISE 7:15 AM MDT SUNSET 6:45 PM MDT
OCTOBER 6 2026.......SUNRISE 7:16 AM MDT SUNSET 6:43 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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