Climatological Report (Daily)
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450
CDUS45 KRIW 160727
CLIBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED SEP 16 2026

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

...THE BIG PINEY  WY CLIMATE SUMMARY FOR SEPTEMBER 15 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73   3:45 PM  85    2000  70      3       66
  MINIMUM         25   5:58 AM  20    1979  32     -7       37
  AVERAGE         49                        51     -2

PRECIPITATION (IN)
  YESTERDAY        0.00          0.63 2006   0.02  -0.02     0.13
  MONTH TO DATE    0.09                      0.30  -0.21     0.33
  SINCE SEP 1      0.09                      0.30  -0.21     0.33
  SINCE JAN 1      4.45                      6.21  -1.76     6.19

DEGREE DAYS
 HEATING
  YESTERDAY       16                        14      2       13
  MONTH TO DATE  130                       173    -43      112
  SINCE SEP 1    130                       173    -43      112
  SINCE JUL 1    247                       449   -202      286

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JAN 1    163                        30    133       41
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     6.5


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    81           6:00 AM
 LOWEST     19           2:00 PM
 AVERAGE    50

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


THE BIG PINEY  WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        83      2000
 MINIMUM TEMPERATURE (F)   32        15      1987


SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE   7:01 AM MDT   SUNSET   7:28 PM MDT
SEPTEMBER 17 2026.....SUNRISE   7:03 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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