950
CDUS45 KRIW 190730
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SAT SEP 19 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 11:50 AM 89 2014 74 1 77
MINIMUM 50 5:59 AM 10 1965 44 6 41
AVERAGE 63 59 4
PRECIPITATION (IN)
YESTERDAY 0.04 1.20 1996 0.03 0.01 0.00
MONTH TO DATE 0.12 0.45 -0.33 0.36
SINCE SEP 1 0.12 0.45 -0.33 0.36
SINCE JAN 1 6.48 9.89 -3.41 10.37
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1978 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.4 -0.4 0.0
SINCE SEP 1 0.0 0.4 -0.4 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 7 -5 6
MONTH TO DATE 23 78 -55 59
SINCE SEP 1 23 78 -55 59
SINCE JUL 1 26 117 -91 64
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 43 30 13 40
SINCE SEP 1 43 30 13 40
SINCE JAN 1 713 482 231 567
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 40 12:00 PM
AVERAGE 63
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 2010
MINIMUM TEMPERATURE (F) 44 24 1965
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 6:59 AM MDT SUNSET 7:17 PM MDT
SEPTEMBER 20 2026.....SUNRISE 7:00 AM MDT SUNSET 7:16 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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