377
CDUS45 KRIW 150735
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT TUE SEP 15 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 14 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 75 4:22 PM 92 1948 76 -1 77
MINIMUM 51 11:59 PM 25 1904 45 6 41
AVERAGE 63 60 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2001 0.03 -0.03 0.00
MONTH TO DATE 0.01 0.33 -0.32 0.03
SINCE SEP 1 0.01 0.33 -0.32 0.03
SINCE JAN 1 6.37 9.77 -3.40 10.04
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 2 5 -3 6
MONTH TO DATE 8 53 -45 27
SINCE SEP 1 8 53 -45 27
SINCE JUL 1 11 92 -81 32
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 43 26 17 40
SINCE SEP 1 43 26 17 40
SINCE JAN 1 713 478 235 567
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 4:00 AM
LOWEST 13 4:00 PM
AVERAGE 36
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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 2026.....SUNRISE 6:55 AM MDT SUNSET 7:24 PM MDT
SEPTEMBER 16 2026.....SUNRISE 6:56 AM MDT SUNSET 7:23 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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