514
CDUS45 KRIW 080727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU OCT 08 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 7 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 82R 4:07 PM 82 2020 65 17 63
MINIMUM 38 6:08 AM 19 2000 37 1 32
AVERAGE 60 51 9 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.83 2011 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.20 -0.20 1.05
SINCE SEP 1 0.17 1.03 -0.86 1.70
SINCE JAN 1 2.51 4.85 -2.34 5.90
DEGREE DAYS
HEATING
YESTERDAY 5 14 -9 17
MONTH TO DATE 28 90 -62 74
SINCE SEP 1 98 259 -161 135
SINCE JUL 1 100 278 -178 135
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 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.5
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 57 6:00 AM
LOWEST 10 2:00 PM
AVERAGE 34
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 84 2020
MINIMUM TEMPERATURE (F) 37 20 2000
SUNRISE AND SUNSET
OCTOBER 8 2026.......SUNRISE 7:19 AM MDT SUNSET 6:40 PM MDT
OCTOBER 9 2026.......SUNRISE 7:20 AM MDT SUNSET 6:38 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page