509
CDUS45 KRIW 170742
CLIBYG
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
142 AM MDT SAT MAY 17 2025
...............................
..THE BUFFALO WY CLIMATE SUMMARY FOR MAY 16 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 59 MM 83 2012 63 -4 72
MINIMUM 40 MM 30 2009 41 -1 45
AVERAGE 50 52 -2 59
PRECIPITATION (IN)
YESTERDAY T 0.56 2000 0.10 -0.10 0.00
MONTH TO DATE 1.41 1.27 0.14 2.15
SINCE MAR 1 2.92 3.46 -0.54 3.03
SINCE JAN 1 2.96 3.93 -0.97 3.35
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 6
MONTH TO DATE 178 252 -74 245
SINCE MAR 1 1676 1821 -145 1768
SINCE JUL 1 6618 6977 -359 6361
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 0 11 0
SINCE MAR 1 11 0 11 0
SINCE JAN 1 11 0 11 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 18.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 11:00 PM
LOWEST 45 2:00 PM
AVERAGE 67
......................................................
THE BUFFALO WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 81 2006
2007
MINIMUM TEMPERATURE (F) 42 33 1999
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:37 AM MDT SUNSET 8:30 PM MDT
MAY 18 2025...........SUNRISE 5:36 AM MDT SUNSET 8:31 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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