Climatological Report (Daily)
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614
CDUS45 KRIW 230727
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED SEP 23 2026

...................................

...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 22 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         74   2:26 PM  90    1958  71      3       61
  MINIMUM         45   4:10 AM   7    1895  42      3       45
  AVERAGE         60                        57      3

PRECIPITATION (IN)
  YESTERDAY        0.00          1.20 1910   0.05  -0.05     0.79
  MONTH TO DATE    2.08                      0.62   1.46     1.15
  SINCE SEP 1      2.08                      0.62   1.46     1.15
  SINCE JAN 1      8.44                     10.06  -1.62    11.16

SNOWFALL (IN)
  YESTERDAY       MM             5.5  2000   0.1   MM        0.0
  MONTH TO DATE    0.0                       0.7   -0.7      0.0
  SINCE SEP 1      0.0                       0.7   -0.7      0.0
  SINCE JUL 1      0.0                       0.7   -0.7      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        5                         9     -4       12
  MONTH TO DATE   53                       110    -57       76
  SINCE SEP 1     53                       110    -57       76
  SINCE JUL 1     56                       149    -93       81

 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    26   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.6


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    77           1:00 AM
 LOWEST     31           4:00 PM
 AVERAGE    54

..........................................................


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        89      1905
 MINIMUM TEMPERATURE (F)   42        19      1895


SUNRISE AND SUNSET
SEPTEMBER 23 2026.....SUNRISE   7:03 AM MDT   SUNSET   7:10 PM MDT
SEPTEMBER 24 2026.....SUNRISE   7:05 AM MDT   SUNSET   7:08 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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