Climatological Report (Daily)
Issued by NWS Boise, ID

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209
CDUS45 KBOI 170931
CLIBOI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
231 AM MST SUN DEC 17 2017


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

...THE BOISE ID CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1875 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         36    409 PM  64    1939  37     -1       32
  MINIMUM         20    409 AM  -2    1985  23     -3       11
                                      1922
  AVERAGE         28                        30     -2       22

PRECIPITATION (IN)
  YESTERDAY        0.00          1.05 1884   0.05  -0.05     0.18
  MONTH TO DATE    0.40                      0.79  -0.39     1.36
  SINCE OCT 1      2.77                      2.89  -0.12     2.87
  SINCE JAN 1     14.75                     10.97   3.78     8.05

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1926   0.3   -0.3      1.9
  MONTH TO DATE    0.6                       3.3   -2.7      5.3
  SINCE OCT 1      0.6                       6.0   -5.4      5.3
  SINCE JUL 1      0.6                       6.0   -5.4      5.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        35      2       43
  MONTH TO DATE  577                       533     44      564
  SINCE DEC 1    577                       533     44      564
  SINCE JUL 1   1801                      1787     14     1469

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1341                       942    399     1001
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           800 AM
 LOWEST     64           500 PM
 AVERAGE    80

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


THE BOISE ID CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        55      1917
 MINIMUM TEMPERATURE (F)   23        -2      1985


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   813 AM MST   SUNSET   510 PM MST
DECEMBER 18 2017......SUNRISE   813 AM MST   SUNSET   510 PM MST


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




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