Climatological Report (Daily)
Issued by NWS Spokane, WA

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681
CDUS46 KOTX 200832 CCA
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
122 AM PDT WED SEP 20 2017


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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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         62    323 PM 100    1922  77    -15       71
  MINIMUM         49    519 AM  30    1895  50     -1       54
  AVERAGE         56                        63     -7       63

PRECIPITATION (IN)
  YESTERDAY        0.06          0.55 1940   0.02   0.04     0.00
  MONTH TO DATE    0.38                      0.41  -0.03     0.51
  SINCE OCT 1     15.66                     12.05   3.61    13.60
  SINCE JAN 1     10.78                      8.94   1.84    10.15

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        9                         4      5        2
  MONTH TO DATE   33                        39     -6       37
  SINCE SEP 1     33                        39     -6       37
  SINCE JUL 1     33                        54    -21       48

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE  136                        73     63       19
  SINCE SEP 1    136                        73     63       19
  SINCE JAN 1   1155                       790    365      835
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           700 AM
 LOWEST     42           400 PM
 AVERAGE    66

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76       102      1939
 MINIMUM TEMPERATURE (F)   50        34      1983


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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