131
CDUS45 KRIW 150728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON SEP 15 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 14 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 77 3:29 PM 92 1948 76 1 80
MINIMUM 41 5:38 AM 25 1904 45 -4 42
AVERAGE 59 60 -1
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2001 0.03 -0.03 0.00
MONTH TO DATE 0.03 0.33 -0.30 0.36
SINCE SEP 1 0.03 0.33 -0.30 0.36
SINCE JAN 1 10.04 9.77 0.27 7.38
SNOWFALL (IN)
YESTERDAY 0.0 9.7 1982 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 5 1 4
MONTH TO DATE 27 53 -26 24
SINCE SEP 1 27 53 -26 24
SINCE JUL 1 32 92 -60 42
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 40 26 14 57
SINCE SEP 1 40 26 14 57
SINCE JAN 1 567 478 89 618
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 6:00 AM
LOWEST 20 5:00 PM
AVERAGE 51
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 2000
MINIMUM TEMPERATURE (F) 45 28 1915
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:55 AM MDT SUNSET 7:24 PM MDT
SEPTEMBER 16 2025.....SUNRISE 6:56 AM MDT SUNSET 7:22 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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