Climatological Report (Daily)
Issued by NWS
Issued by NWS
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946
CDUS45 KRIW 190730
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SAT SEP 19 2026
...................................
...THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 81 2:08 PM 90 2021 71 10 71
MINIMUM 50 1:38 AM 28 2003 46 4 45
AVERAGE 66 59 7 58
PRECIPITATION (IN)
YESTERDAY 0.54R 0.32 2002 0.04 0.50 T
MONTH TO DATE 0.58 0.63 -0.05 0.67
SINCE SEP 1 0.58 0.63 -0.05 0.67
SINCE JAN 1 4.12 10.47 -6.35 9.02
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 7
MONTH TO DATE 38 92 -54 63
SINCE SEP 1 38 92 -54 63
SINCE JUL 1 56 149 -93 104
COOLING
YESTERDAY 1 1 0 0
MONTH TO DATE 54 48 6 31
SINCE SEP 1 54 48 6 31
SINCE JAN 1 676 516 160 476
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 30 1:00 PM
AVERAGE 64
..........................................................
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 2026.....SUNRISE 6:51 AM MDT SUNSET 7:10 PM MDT
SEPTEMBER 20 2026.....SUNRISE 6:52 AM MDT SUNSET 7:08 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$