Climatological Report (Daily)
Issued by NWS Spokane, WA

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000
CDUS46 KOTX 220431
CLILWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
930 PM PDT THU SEP 21 2017


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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2017...
VALID TODAY AS OF 0800 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         61    410 PM 101    1967  76    -15       67
  MINIMUM         43    340 AM  29    1895  49     -6       49
  AVERAGE         52                        63    -11       58

PRECIPITATION (IN)
  TODAY            0.00          0.50 1968   0.03  -0.03     0.00
  MONTH TO DATE    0.52                      0.46   0.06     0.51
  SINCE OCT 1     15.80                     12.10   3.70    13.60
  SINCE JAN 1     10.92                      8.99   1.93    10.15

DEGREE DAYS
 HEATING
  TODAY           13                         4      9        7
  MONTH TO DATE   59                        47     12       50
  SINCE SEP 1     59                        47     12       50
  SINCE JUL 1     59                        62     -3       61

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE  136                        77     59       19
  SINCE SEP 1    136                        77     59       19
  SINCE JAN 1   1155                       794    361      835
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     47           300 PM
 AVERAGE    70

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        99      1966
 MINIMUM TEMPERATURE (F)   49        34      1955


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   634 AM PDT   SUNSET   647 PM PDT
SEPTEMBER 22 2017.....SUNRISE   635 AM PDT   SUNSET   645 PM PDT


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




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