785
CDUS45 KRIW 110734
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT THU SEP 11 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 10 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 89 3:06 PM 93 2021 78 11 84
MINIMUM 48 6:36 AM 30 2020 47 1 56
AVERAGE 69 62 7
PRECIPITATION (IN)
YESTERDAY T 1.07 1950 0.02 -0.02 0.01
MONTH TO DATE 0.02 0.21 -0.19 0.32
SINCE SEP 1 0.02 0.21 -0.19 0.32
SINCE JAN 1 10.03 9.65 0.38 7.34
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 11 33 -22 4
SINCE SEP 1 11 33 -22 4
SINCE JUL 1 16 72 -56 22
COOLING
YESTERDAY 4 2 2 5
MONTH TO DATE 33 22 11 54
SINCE SEP 1 33 22 11 54
SINCE JAN 1 560 474 86 615
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 51 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 69 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 5:00 AM
LOWEST 13 3:00 PM
AVERAGE 42
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 88 1919
1990
MINIMUM TEMPERATURE (F) 46 26 1898
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:51 AM MDT SUNSET 7:31 PM MDT
SEPTEMBER 12 2025.....SUNRISE 6:52 AM MDT SUNSET 7:29 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page