Climatological Report (Daily)
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798
CDUS45 KRIW 170731
CLIWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU SEP 17 2026

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

...THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 16 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         77   4:07 PM  98    2000  76      1       71
  MINIMUM         41   4:08 AM  28    1965  42     -1       41
  AVERAGE         59                        59      0

PRECIPITATION (IN)
  YESTERDAY        0.00          0.47 1980   0.03  -0.03     0.00
  MONTH TO DATE    0.19                      0.41  -0.22     0.21
  SINCE SEP 1      0.19                      0.41  -0.22     0.21
  SINCE JAN 1      2.42                      5.89  -3.47     5.18

DEGREE DAYS
 HEATING
  YESTERDAY        6                         6      0        9
  MONTH TO DATE   34                        70    -36       40
  SINCE SEP 1     34                        70    -36       40
  SINCE JUL 1     38                       108    -70       46

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   46                        27     19       24
  SINCE SEP 1     46                        27     19       24
  SINCE JAN 1    783                       524    259      558
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68           3:00 AM
 LOWEST     28           1:00 PM
 AVERAGE    48

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


THE WORLAND WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        94      1964
 MINIMUM TEMPERATURE (F)   42        27      1965


SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE   6:53 AM MDT   SUNSET   7:18 PM MDT
SEPTEMBER 18 2026.....SUNRISE   6:55 AM MDT   SUNSET   7:16 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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