Climatological Report (Daily)
Issued by NWS Spokane, WA

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000
CDUS46 KOTX 160904
CLILWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
103 AM PST SAT DEC 16 2017


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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         32    103 PM  62    2002  39     -7       27
  MINIMUM         25    151 AM  -7    1919  28     -3       20
  AVERAGE         29                        33     -4       24

PRECIPITATION (IN)
  YESTERDAY        0.25          0.40 1906   0.03   0.22     0.16
  MONTH TO DATE    0.29                      0.46  -0.17     1.10
  SINCE OCT 1      3.22                      2.60   0.62     4.39
  SINCE JAN 1     14.18                     11.80   2.38    14.58

SNOWFALL (IN)
  YESTERDAY        2.5           2.6  2016   0.1    2.4      2.6
  MONTH TO DATE    2.5                       1.5    1.0     15.4
  SINCE DEC 1      2.5                       1.5    1.0     15.4
  SINCE JUL 1      2.5                       3.3   -0.8     15.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       36                        32      4       41
  MONTH TO DATE  503                       458     45      525
  SINCE DEC 1    503                       458     45      525
  SINCE JUL 1   1669                      1698    -29     1474

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1160                       807    353      863
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     92          1200 AM
 AVERAGE    96

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        61      1982
                                             1917
 MINIMUM TEMPERATURE (F)   27        -8      1884


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   726 AM PST   SUNSET   402 PM PST
DECEMBER 17 2017......SUNRISE   726 AM PST   SUNSET   402 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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