Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 180728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT TUE AUG 18 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 17 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 85 1:33 PM 96 2013 86 -1 85
2020
MINIMUM 58 11:25 PM 38 2009 54 4 56
AVERAGE 72 70 2
PRECIPITATION (IN)
YESTERDAY T 0.58 1984 0.02 -0.02 T
MONTH TO DATE 0.34 0.31 0.03 0.05
SINCE JUN 1 1.42 1.98 -0.56 1.03
SINCE JAN 1 6.11 9.23 -3.12 9.59
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 3 -1 2
SINCE JUN 1 77 141 -64 92
SINCE JUL 1 2 17 -15 4
COOLING
YESTERDAY 7 6 1 6
MONTH TO DATE 141 117 24 121
SINCE JUN 1 552 390 162 445
SINCE JAN 1 566 395 171 453
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 6:00 PM
LOWEST 19 2:00 PM
AVERAGE 44
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 1986
2020
MINIMUM TEMPERATURE (F) 54 39 1892
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:25 AM MDT SUNSET 8:12 PM MDT
AUGUST 19 2026........SUNRISE 6:26 AM MDT SUNSET 8:10 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$