Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 160729
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU OCT 16 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 15 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 48 1:29 PM 65 2024 46 2 65
MINIMUM 34 8:37 PM 3 2018 22 12 25
AVERAGE 41 34 7 45
PRECIPITATION (IN)
YESTERDAY 0.45 0.53 2020 0.06 0.39 0.00
MONTH TO DATE 2.41 0.85 1.56 0.00
SINCE SEP 1 3.87 2.42 1.45 1.43
SINCE JAN 1 15.58 17.68 -2.10 16.62
DEGREE DAYS
HEATING
YESTERDAY 24 31 -7 20
MONTH TO DATE 374 421 -47 292
SINCE SEP 1 858 1009 -151 771
SINCE JUL 1 1374 1651 -277 1348
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 0.7
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 68 4:00 PM
AVERAGE 84
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 63 2024
MINIMUM TEMPERATURE (F) 22 13 2018
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 7:39 AM MDT SUNSET 6:35 PM MDT
OCTOBER 17 2025.......SUNRISE 7:40 AM MDT SUNSET 6:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$