Climatological Report (Daily)
Issued by NWS
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890
CDUS45 KRIW 290731
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE SEP 29 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 28 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 63 3:21 AM 89 2010 68 -5 78
MINIMUM 49 11:53 PM 22 1985 40 9 51
AVERAGE 56 54 2
PRECIPITATION (IN)
YESTERDAY 0.10 1.37 2014 0.05 0.05 0.05
MONTH TO DATE 2.18 0.89 1.29 1.20
SINCE SEP 1 2.18 0.89 1.29 1.20
SINCE JAN 1 8.54 10.33 -1.79 11.21
SNOWFALL (IN)
YESTERDAY 0.0 3.2 1985 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.3 -1.3 0.0
SINCE SEP 1 0.0 1.3 -1.3 0.0
SINCE JUL 1 0.0 1.3 -1.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 11 -2 0
MONTH TO DATE 77 170 -93 94
SINCE SEP 1 77 170 -93 94
SINCE JUL 1 80 209 -129 99
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 44 31 13 42
SINCE SEP 1 44 31 13 42
SINCE JAN 1 714 483 231 569
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 PM
LOWEST 44 12:00 AM
AVERAGE 65
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 2024
MINIMUM TEMPERATURE (F) 39 23 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 7:10 AM MDT SUNSET 6:59 PM MDT
SEPTEMBER 30 2026.....SUNRISE 7:11 AM MDT SUNSET 6:58 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$