258
CDUS45 KRIW 080727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI MAY 08 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 7 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 54 6:02 PM 62 2004 48 6 55
2021
MINIMUM 29 5:25 AM 0 2010 24 5 26
AVERAGE 42 36 6 41
PRECIPITATION (IN)
YESTERDAY 0.05 0.36 2008 0.07 -0.02 0.00
2009
MONTH TO DATE 0.06 0.44 -0.38 0.02
SINCE MAR 1 3.98 4.62 -0.64 3.10
SINCE JAN 1 7.33 8.12 -0.79 6.80
DEGREE DAYS
HEATING
YESTERDAY 23 29 -6 24
MONTH TO DATE 190 213 -23 184
SINCE MAR 1 2262 2659 -397 1379
SINCE JUL 1 9232 10863 -1631 8299
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 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.5
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 96 12:00 AM
LOWEST 30 6:00 PM
AVERAGE 63
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 64 2016
MINIMUM TEMPERATURE (F) 24 6 2010
SUNRISE AND SUNSET
MAY 8 2026...........SUNRISE 6:02 AM MDT SUNSET 8:35 PM MDT
MAY 9 2026...........SUNRISE 6:01 AM MDT SUNSET 8:36 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