Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 300733
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT TUE SEP 30 2025
...................................
...THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 29 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 2:37 PM 94 2024 65 15 94
MINIMUM 53 5:53 AM 29 1999 42 11 59
AVERAGE 67 53 14 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.16 2014 0.04 -0.04 0.00
MONTH TO DATE 0.67 1.13 -0.46 0.18
SINCE SEP 1 0.67 1.13 -0.46 0.18
SINCE JAN 1 9.02 10.97 -1.95 7.77
DEGREE DAYS
HEATING
YESTERDAY 0 12 -12 0
MONTH TO DATE 89 201 -112 67
SINCE SEP 1 89 201 -112 67
SINCE JUL 1 130 258 -128 144
COOLING
YESTERDAY 2 0 2 12
MONTH TO DATE 42 58 -16 144
SINCE SEP 1 42 58 -16 144
SINCE JAN 1 487 526 -39 660
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.4
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 52 6:00 AM
LOWEST 25 1:00 PM
AVERAGE 39
..........................................................
THE BUFFALO WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 85 2011
MINIMUM TEMPERATURE (F) 41 32 2003
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:04 AM MDT SUNSET 6:49 PM MDT
OCTOBER 1 2025.......SUNRISE 7:05 AM MDT SUNSET 6:47 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$