Climatological Report (Daily)
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635
CDUS45 KRIW 200734
CLIWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT SUN SEP 20 2026

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

...THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 19 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         68        MM  93    1981  75     -7       81
                                      2010
  MINIMUM         51        MM  26    1965  41     10       40
  AVERAGE         60                        58      2

PRECIPITATION (IN)
  YESTERDAY        0.00          0.39 1985   0.03  -0.03     0.00
  MONTH TO DATE    0.28                      0.51  -0.23     0.21
  SINCE SEP 1      0.28                      0.51  -0.23     0.21
  SINCE JAN 1      2.51                      5.99  -3.48     5.18

DEGREE DAYS
 HEATING
  YESTERDAY        5                         8     -3        4
  MONTH TO DATE   42                        92    -50       55
  SINCE SEP 1     42                        92    -50       55
  SINCE JUL 1     46                       130    -84       61

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   46                        29     17       24
  SINCE SEP 1     46                        29     17       24
  SINCE JAN 1    783                       526    257      558
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           2:00 AM
 LOWEST     54           4:00 PM
 AVERAGE    76

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


THE WORLAND WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        91      1984
 MINIMUM TEMPERATURE (F)   41        24      1983


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   6:57 AM MDT   SUNSET   7:13 PM MDT
SEPTEMBER 21 2026.....SUNRISE   6:58 AM MDT   SUNSET   7:11 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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