830
CDUS45 KRIW 090728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT THU APR 09 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 8 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 50 4:00 PM 54 2016 39 11 41
2022
MINIMUM 27 11:57 PM 1 2021 14 13 25
AVERAGE 39 27 12 33
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 2011 0.08 -0.08 0.28
MONTH TO DATE 0.45 0.63 -0.18 0.46
SINCE MAR 1 1.56 2.53 -0.97 0.95
SINCE JAN 1 4.91 6.03 -1.12 4.65
DEGREE DAYS
HEATING
YESTERDAY 26 38 -12 32
MONTH TO DATE 253 313 -60 335
SINCE MAR 1 1312 1671 -359 479
SINCE JUL 1 8282 9875 -1593 7399
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 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.8
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 75 11:00 PM
LOWEST 12 12:00 PM
AVERAGE 44
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 56 2016
MINIMUM TEMPERATURE (F) 15 -4 2008
SUNRISE AND SUNSET
APRIL 9 2026.........SUNRISE 6:48 AM MDT SUNSET 7:59 PM MDT
APRIL 10 2026.........SUNRISE 6:46 AM MDT SUNSET 8:00 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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