Climatological Report (Daily)
Issued by NWS
Issued by NWS
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080
CDUS45 KRIW 290729
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 29 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 28 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 78 1:22 PM 89 2010 68 10 86
MINIMUM 51 3:49 AM 22 1985 40 11 51
AVERAGE 65 54 11
PRECIPITATION (IN)
YESTERDAY 0.05 1.37 2014 0.05 0.00 0.00
MONTH TO DATE 1.20 0.89 0.31 0.40
SINCE SEP 1 1.20 0.89 0.31 0.40
SINCE JAN 1 11.21 10.33 0.88 7.42
SNOWFALL (IN)
YESTERDAY 0.0 3.2 1985 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.3 -1.3 0.0
SINCE SEP 1 0.0 1.3 -1.3 0.0
SINCE JUL 1 0.0 1.3 -1.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 0
MONTH TO DATE 94 170 -76 75
SINCE SEP 1 94 170 -76 75
SINCE JUL 1 99 209 -110 93
COOLING
YESTERDAY 0 0 0 4
MONTH TO DATE 42 31 11 76
SINCE SEP 1 42 31 11 76
SINCE JAN 1 569 483 86 637
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 10:00 PM
LOWEST 29 1:00 PM
AVERAGE 53
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 2024
MINIMUM TEMPERATURE (F) 39 23 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 7:10 AM MDT SUNSET 6:59 PM MDT
SEPTEMBER 30 2025.....SUNRISE 7:11 AM MDT SUNSET 6:57 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$