Climatological Report (Daily)
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CDUS45 KRIW 220731
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE SEP 22 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 21 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 69 4:33 PM 87 1905 72 -3 80
MINIMUM 45 6:45 AM 25 1983 43 2 48
AVERAGE 57 57 0
PRECIPITATION (IN)
YESTERDAY 0.00 1.63 1895 0.04 -0.04 T
MONTH TO DATE 2.08 0.57 1.51 0.36
SINCE SEP 1 2.08 0.57 1.51 0.36
SINCE JAN 1 8.44 10.01 -1.57 10.37
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2000 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.6 -0.6 0.0
SINCE SEP 1 0.0 0.6 -0.6 0.0
SINCE JUL 1 0.0 0.6 -0.6 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 8 8 0 1
MONTH TO DATE 48 101 -53 64
SINCE SEP 1 48 101 -53 64
SINCE JUL 1 51 140 -89 69
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 43 31 12 42
SINCE SEP 1 43 31 12 42
SINCE JAN 1 713 483 230 569
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 43 3:00 PM
AVERAGE 68
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 1958
MINIMUM TEMPERATURE (F) 42 7 1895
SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE 7:02 AM MDT SUNSET 7:12 PM MDT
SEPTEMBER 23 2026.....SUNRISE 7:03 AM MDT SUNSET 7:10 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$