319
CDUS45 KRIW 270731
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SAT SEP 27 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 26 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 79 3:16 PM 90 2015 69 10 88
MINIMUM 51 6:41 AM 21 1934 41 10 53
AVERAGE 65 55 10
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 2013 0.05 -0.05 0.00
MONTH TO DATE 1.15 0.80 0.35 0.40
SINCE SEP 1 1.15 0.80 0.35 0.40
SINCE JAN 1 11.16 10.24 0.92 7.42
SNOWFALL (IN)
YESTERDAY 0.0 2.1 2013 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.0 -1.0 0.0
SINCE SEP 1 0.0 1.0 -1.0 0.0
SINCE JUL 1 0.0 1.0 -1.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 0
MONTH TO DATE 92 148 -56 75
SINCE SEP 1 92 148 -56 75
SINCE JUL 1 97 187 -90 93
COOLING
YESTERDAY 0 0 0 6
MONTH TO DATE 42 31 11 70
SINCE SEP 1 42 31 11 70
SINCE JAN 1 569 483 86 631
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 48 7:00 AM
LOWEST 22 2:00 PM
AVERAGE 35
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 87 2001
MINIMUM TEMPERATURE (F) 40 19 1908
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 7:08 AM MDT SUNSET 7:03 PM MDT
SEPTEMBER 28 2025.....SUNRISE 7:09 AM MDT SUNSET 7:01 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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