Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 130736
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
136 AM MDT MON OCT 13 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 12 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 33 1:51 PM 63 2024 47 -14 63
MINIMUM 24 11:59 PM 7 2001 23 1 29
2019
AVERAGE 29 35 -6 46
PRECIPITATION (IN)
YESTERDAY 0.17R 0.17 2000 0.06 0.11 0.00
2001
MONTH TO DATE 1.88 0.67 1.21 0.00
SINCE SEP 1 3.34 2.24 1.10 1.43
SINCE JAN 1 15.05 17.50 -2.45 16.62
DEGREE DAYS
HEATING
YESTERDAY 36 30 6 19
MONTH TO DATE 293 329 -36 234
SINCE SEP 1 777 917 -140 713
SINCE JUL 1 1293 1559 -266 1290
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 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.3
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 96 12:00 AM
LOWEST 85 1:00 PM
AVERAGE 91
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 65 2024
MINIMUM TEMPERATURE (F) 23 13 2008
2018
SUNRISE AND SUNSET
OCTOBER 13 2025.......SUNRISE 7:35 AM MDT SUNSET 6:40 PM MDT
OCTOBER 14 2025.......SUNRISE 7:36 AM MDT SUNSET 6:38 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$