202
CDUS45 KRIW 280728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT TUE APR 28 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 27 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 35 3:44 PM 57 2004 44 -9 52
MINIMUM 18 5:53 AM 3 2011 20 -2 26
AVERAGE 27 32 -5 39
PRECIPITATION (IN)
YESTERDAY 0.11 0.49 2010 0.07 0.04 0.06
MONTH TO DATE 2.71 2.08 0.63 1.82
SINCE MAR 1 3.82 3.98 -0.16 2.31
SINCE JAN 1 7.17 7.48 -0.31 6.01
DEGREE DAYS
HEATING
YESTERDAY 38 33 5 26
MONTH TO DATE 901 992 -91 961
SINCE MAR 1 1960 2350 -390 1105
SINCE JUL 1 8930 10554 -1624 8025
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 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 3.3
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 8:00 PM
LOWEST 51 3:00 PM
AVERAGE 74
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 62 2007
2018
MINIMUM TEMPERATURE (F) 20 9 2019
SUNRISE AND SUNSET
APRIL 28 2026.........SUNRISE 6:16 AM MDT SUNSET 8:23 PM MDT
APRIL 29 2026.........SUNRISE 6:15 AM MDT SUNSET 8:24 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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