Climatological Report (Daily)
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209
CDUS45 KRIW 210727
CLIBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI AUG 21 2026

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

...THE BIG PINEY  WY CLIMATE SUMMARY FOR AUGUST 20 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         87   2:08 PM  92    2025  79      8       92
  MINIMUM         42   5:37 AM  25    1980  40      2       43
  AVERAGE         65                        59      6

PRECIPITATION (IN)
  YESTERDAY        0.03          0.18 2001   0.03   0.00      T
                                      2004
  MONTH TO DATE    0.61                      0.55   0.06     0.13
  SINCE JUN 1      2.79                      2.45   0.34     1.45
  SINCE JAN 1      4.16                      5.59  -1.43     4.88

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6        0
  MONTH TO DATE   46                        82    -36       68
  SINCE JUN 1    371                       519   -148      343
  SINCE JUL 1     85                       194   -109      128

 COOLING
  YESTERDAY        0                         0      0        3
  MONTH TO DATE   24                        14     10       13
  SINCE JUN 1    149                        32    117       35
  SINCE JAN 1    149                        32    117       35
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           6:00 AM
 LOWEST     18           2:00 PM
 AVERAGE    44

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


THE BIG PINEY  WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        87      2010
                                             2011
                                             2019
 MINIMUM TEMPERATURE (F)   39        27      1980


SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE   6:34 AM MDT   SUNSET   8:12 PM MDT
AUGUST 22 2026........SUNRISE   6:35 AM MDT   SUNSET   8:11 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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