Climatological Report (Daily)
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107
CDUS45 KRIW 120728
CLIWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT SEP 12 2026

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

...THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 11 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87  12:00 PM  98    1971  79      8       85
  MINIMUM         51  11:59 PM  32    2014  44      7       53
  AVERAGE         69                        61      8

PRECIPITATION (IN)
  YESTERDAY        0.00          1.07 2019   0.02  -0.02     0.00
  MONTH TO DATE    0.00                      0.26  -0.26      T
  SINCE SEP 1      0.00                      0.26  -0.26      T
  SINCE JAN 1      2.23                      5.74  -3.51     4.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE    8                        41    -33       16
  SINCE SEP 1      8                        41    -33       16
  SINCE JUL 1     12                        79    -67       22

 COOLING
  YESTERDAY        4                         1      3        4
  MONTH TO DATE   43                        22     21       23
  SINCE SEP 1     43                        22     21       23
  SINCE JAN 1    780                       519    261      557
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     8.2


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    59          11:00 PM
 LOWEST     16           2:00 AM
 AVERAGE    38

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


THE WORLAND WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        99      1990
 MINIMUM TEMPERATURE (F)   44        29      2014


SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE   6:48 AM MDT   SUNSET   7:27 PM MDT
SEPTEMBER 13 2026.....SUNRISE   6:49 AM MDT   SUNSET   7:26 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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