Climatological Report (Daily)
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478
CDUS45 KRIW 100727
CLIBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU SEP 10 2026

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

...THE BIG PINEY  WY CLIMATE SUMMARY FOR SEPTEMBER 9 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         76   2:42 PM  88    2021  73      3       75
  MINIMUM         27   4:43 AM  11    1976  34     -7       40
  AVERAGE         52                        53     -1

PRECIPITATION (IN)
  YESTERDAY        0.00          0.27 2005   0.02  -0.02      T
  MONTH TO DATE    0.09                      0.18  -0.09     0.09
  SINCE SEP 1      0.09                      0.18  -0.09     0.09
  SINCE JAN 1      4.45                      6.09  -1.64     5.95

DEGREE DAYS
 HEATING
  YESTERDAY       13                        12      1        7
  MONTH TO DATE   76                        95    -19       52
  SINCE SEP 1     76                        95    -19       52
  SINCE JUL 1    193                       371   -178      226

 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    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     7.4


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    63           5:00 AM
 LOWEST      8           3:00 PM
 AVERAGE    36

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


THE BIG PINEY  WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        82      2018
 MINIMUM TEMPERATURE (F)   34        15      2020


SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE   6:55 AM MDT   SUNSET   7:39 PM MDT
SEPTEMBER 11 2026.....SUNRISE   6:56 AM MDT   SUNSET   7:37 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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