Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 020731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT FRI OCT 02 2026
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 1 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 64 3:20 PM 72 2011 53 11 54
MINIMUM 30 6:43 AM 22 2002 27 3 33
2021
2024
AVERAGE 47 40 7 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 2000 0.05 -0.05 0.03
MONTH TO DATE 0.00 0.05 -0.05 0.03
SINCE SEP 1 1.71 1.62 0.09 1.49
SINCE JAN 1 15.63 16.88 -1.25 13.20
DEGREE DAYS
HEATING
YESTERDAY 18 25 -7 21
MONTH TO DATE 18 25 -7 21
SINCE SEP 1 525 613 -88 505
SINCE JUL 1 893 1255 -362 1021
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 2 0 2 1
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.1
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 5:00 AM
LOWEST 29 3:00 PM
AVERAGE 63
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 74 2010
MINIMUM TEMPERATURE (F) 26 16 2009
SUNRISE AND SUNSET
OCTOBER 2 2026.......SUNRISE 7:21 AM MDT SUNSET 7:00 PM MDT
OCTOBER 3 2026.......SUNRISE 7:22 AM MDT SUNSET 6:58 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$