804
CDUS45 KRIW 170731
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU SEP 17 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 2:18 PM 91 2000 75 5 68
MINIMUM 46 4:11 AM 23 1965 45 1 38
AVERAGE 63 60 3
PRECIPITATION (IN)
YESTERDAY 0.03 0.99 1923 0.03 0.00 0.28
MONTH TO DATE 0.04 0.39 -0.35 0.36
SINCE SEP 1 0.04 0.39 -0.35 0.36
SINCE JAN 1 6.40 9.83 -3.43 10.37
SNOWFALL (IN)
YESTERDAY 0.0 14.4 1965 0.0 0.0 0.0
MONTH TO DATE 0.0 0.3 -0.3 0.0
SINCE SEP 1 0.0 0.3 -0.3 0.0
SINCE JUL 1 0.0 0.3 -0.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 6 -4 12
MONTH TO DATE 21 65 -44 45
SINCE SEP 1 21 65 -44 45
SINCE JUL 1 24 104 -80 50
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 43 28 15 40
SINCE SEP 1 43 28 15 40
SINCE JAN 1 713 480 233 567
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 6:00 AM
LOWEST 31 5:00 PM
AVERAGE 52
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 87 1937
2014
MINIMUM TEMPERATURE (F) 44 15 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:57 AM MDT SUNSET 7:21 PM MDT
SEPTEMBER 18 2026.....SUNRISE 6:58 AM MDT SUNSET 7:19 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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