Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 150731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SUN JUN 15 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 14 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 1:36 PM 82 2021 60 13 74
MINIMUM 37 5:18 AM 27 2012 33 4 44
AVERAGE 55 46 9 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.30 2023 0.07 -0.07 0.03
MONTH TO DATE 0.10 1.33 -1.23 0.65
SINCE JUN 1 0.10 1.33 -1.23 0.65
SINCE JAN 1 9.33 11.36 -2.03 12.85
DEGREE DAYS
HEATING
YESTERDAY 10 19 -9 6
MONTH TO DATE 214 285 -71 198
SINCE JUN 1 214 285 -71 198
SINCE JUL 1 9046 11758 -2712 10600
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 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 2.3
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 86 3:00 AM
LOWEST 14 6:00 PM
AVERAGE 50
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 81 2021
MINIMUM TEMPERATURE (F) 33 25 2013
SUNRISE AND SUNSET
JUNE 15 2025..........SUNRISE 5:36 AM MDT SUNSET 9:09 PM MDT
JUNE 16 2025..........SUNRISE 5:36 AM MDT SUNSET 9:09 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$