Climatological Report (Daily)
Issued by NWS Spokane, WA

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727
CDUS46 KOTX 202344
CLILWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
444 PM PDT WED SEP 20 2017


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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2017...
VALID AS OF 0400 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         54    259 PM 102    1939  76    -22       67
  MINIMUM         48    925 AM  34    1983  50     -2       51
  AVERAGE         51                        63    -12       59

PRECIPITATION (IN)
  TODAY            0.13          0.53 1969   0.02   0.11     0.00
  MONTH TO DATE    0.51                      0.43   0.08     0.51
  SINCE OCT 1     15.79                     12.07   3.72    13.60
  SINCE JAN 1     10.91                      8.96   1.95    10.15

SNOWFALL (IN)
  TODAY            0.0           0.0  1998   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           14                         4     10        6
  MONTH TO DATE   47                        43      4       43
  SINCE SEP 1     47                        43      4       43
  SINCE JUL 1     47                        58    -11       54

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE  136                        75     61       19
  SINCE SEP 1    136                        75     61       19
  SINCE JAN 1   1155                       792    363      835
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86
 LOWEST     59
 AVERAGE    73

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76       101      1967
 MINIMUM TEMPERATURE (F)   49        29      1895


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   633 AM PDT   SUNSET   649 PM PDT
SEPTEMBER 21 2017.....SUNRISE   634 AM PDT   SUNSET   647 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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