Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 200726
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT WED AUG 20 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 19 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 97R 3:19 PM 96 2013 85 12 93
MINIMUM 56 5:56 AM 38 1912 53 3 63
AVERAGE 77 69 8
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 1979 0.02 -0.02 0.00
MONTH TO DATE 0.05 0.34 -0.29 0.45
SINCE JUN 1 1.03 2.01 -0.98 0.87
SINCE JAN 1 9.59 9.26 0.33 6.73
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 5 -3 1
SINCE JUN 1 92 143 -51 42
SINCE JUL 1 4 19 -15 7
COOLING
YESTERDAY 12 5 7 13
MONTH TO DATE 140 127 13 135
SINCE JUN 1 464 400 64 500
SINCE JAN 1 472 405 67 500
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 7.4
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 34 6:00 AM
LOWEST 7 7:00 PM
AVERAGE 21
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 94 2003
2019
2024
MINIMUM TEMPERATURE (F) 53 38 1964
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:27 AM MDT SUNSET 8:09 PM MDT
AUGUST 21 2025........SUNRISE 6:28 AM MDT SUNSET 8:07 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$