Climatological Report (Daily)
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CDUS45 KRIW 070729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 07 2026
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 92 3:19 PM 94 2022 82 10 84
MINIMUM 51 6:15 AM 39 2025 49 2 39
AVERAGE 72 65 7 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 2001 0.02 -0.02 0.00
MONTH TO DATE T 0.12 -0.12 T
SINCE SEP 1 T 0.12 -0.12 T
SINCE JAN 1 2.34 3.94 -1.60 4.20
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 3
MONTH TO DATE 0 14 -14 8
SINCE SEP 1 0 14 -14 8
SINCE JUL 1 2 33 -31 8
COOLING
YESTERDAY 7 3 4 0
MONTH TO DATE 43 21 22 23
SINCE SEP 1 43 21 22 23
SINCE JAN 1 841 717 124 764
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.5
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 74 6:00 AM
LOWEST 14 5:00 PM
AVERAGE 44
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 103 2022
MINIMUM TEMPERATURE (F) 48 34 2010
SUNRISE AND SUNSET
SEPTEMBER 7 2026.....SUNRISE 6:42 AM MDT SUNSET 7:37 PM MDT
SEPTEMBER 8 2026.....SUNRISE 6:43 AM MDT SUNSET 7:36 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$