212
CDUS45 KRIW 220728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 22 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 21 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 61 6:43 PM 75 2007 63 -2 56
2008
2021
MINIMUM 39 5:18 AM 26 2019 34 5 35
AVERAGE 50 49 1 46
PRECIPITATION (IN)
YESTERDAY 0.22 0.24 2009 0.07 0.15 0.01
MONTH TO DATE 1.16 1.85 -0.69 0.29
SINCE JUN 1 1.16 1.85 -0.69 0.29
SINCE JAN 1 9.40 11.88 -2.48 9.52
DEGREE DAYS
HEATING
YESTERDAY 15 16 -1 19
MONTH TO DATE 366 406 -40 294
SINCE JUN 1 366 406 -40 294
SINCE JUL 1 10116 11879 -1763 9126
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.9
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 100 2:00 AM
LOWEST 41 6:00 PM
AVERAGE 71
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 79 2021
MINIMUM TEMPERATURE (F) 34 23 2019
SUNRISE AND SUNSET
JUNE 22 2026..........SUNRISE 5:37 AM MDT SUNSET 9:10 PM MDT
JUNE 23 2026..........SUNRISE 5:37 AM MDT SUNSET 9:11 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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