924
CDUS45 KRIW 200729
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON JUL 20 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 19 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 MM MM 86 2021 74 MM 72
MINIMUM MM MM 32 2022 40 MM 39
AVERAGE MM 56 MM 56
PRECIPITATION (IN)
YESTERDAY MM 0.21 2009 0.05 MM 0.00
MONTH TO DATE 0.14 0.93 -0.79 0.49
SINCE JUN 1 2.25 3.31 -1.06 1.14
SINCE JAN 1 10.49 13.34 -2.85 10.37
DEGREE DAYS
HEATING
YESTERDAY MM 8 MM 9
MONTH TO DATE 93 198 -105 144
SINCE JUN 1 607 736 -129 586
SINCE JUL 1 93 198 -105 144
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 84 2003
MINIMUM TEMPERATURE (F) 40 33 2010
SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE 5:56 AM MDT SUNSET 9:00 PM MDT
JULY 21 2026..........SUNRISE 5:57 AM MDT SUNSET 8:59 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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