870
CDUS45 KRIW 100728
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN MAY 10 2026
...............................
..THE BUFFALO WY CLIMATE SUMMARY FOR MAY 9 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 61 12:56 AM 78 2012 60 1 75
MINIMUM 44 11:59 PM 20 2002 39 5 47
AVERAGE 53 50 3 61
PRECIPITATION (IN)
YESTERDAY 0.03 0.36 2005 0.08 -0.05 T
MONTH TO DATE 0.17 0.63 -0.46 0.70
SINCE MAR 1 0.57 2.82 -2.25 2.21
SINCE JAN 1 0.72 3.29 -2.57 2.25
DEGREE DAYS
HEATING
YESTERDAY 12 16 -4 4
MONTH TO DATE 156 153 3 118
SINCE MAR 1 1484 1722 -238 1616
SINCE JUL 1 5574 6878 -1304 6558
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 15.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 10:00 AM
LOWEST 31 1:00 AM
AVERAGE 54
......................................................
THE BUFFALO WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 82 2025
MINIMUM TEMPERATURE (F) 39 28 2006
2019
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 5:45 AM MDT SUNSET 8:22 PM MDT
MAY 11 2026...........SUNRISE 5:44 AM MDT SUNSET 8:23 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