730
CDUS45 KRIW 190730
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT FRI SEP 19 2025
...............................
..THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 71 3:34 PM 90 2021 71 0 65
MINIMUM 45 5:26 AM 28 2003 46 -1 43
AVERAGE 58 59 -1 54
PRECIPITATION (IN)
YESTERDAY T 0.32 2002 0.04 -0.04 0.01
MONTH TO DATE 0.67 0.63 0.04 0.18
SINCE SEP 1 0.67 0.63 0.04 0.18
SINCE JAN 1 9.02 10.47 -1.45 7.77
DEGREE DAYS
HEATING
YESTERDAY 7 8 -1 11
MONTH TO DATE 63 92 -29 31
SINCE SEP 1 63 92 -29 31
SINCE JUL 1 104 149 -45 108
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 31 48 -17 95
SINCE SEP 1 31 48 -17 95
SINCE JAN 1 476 516 -40 611
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 12:00 AM
LOWEST 32 2:00 PM
AVERAGE 56
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THE BUFFALO WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 2010
MINIMUM TEMPERATURE (F) 46 37 2017
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:51 AM MDT SUNSET 7:09 PM MDT
SEPTEMBER 20 2025.....SUNRISE 6:52 AM MDT SUNSET 7:07 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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