Climatological Report (Daily)
Issued by NWS Spokane, WA

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374
CDUS46 KOTX 200858
CLILWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
158 AM PDT SUN MAY 20 2018


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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78    331 PM  90    1929  72      6       75
                                      1928
  MINIMUM         54    430 AM  36    1896  48      6       46
  AVERAGE         66                        60      6       61

PRECIPITATION (IN)
  YESTERDAY        T             0.56 1885   0.05  -0.05     0.00
  MONTH TO DATE    2.26                      0.95   1.31     1.48
  SINCE OCT 1     13.08                      8.39   4.69    14.62
  SINCE JAN 1      7.52                      5.28   2.24     9.74

SNOWFALL (IN)
  YESTERDAY        0.0           T    1927   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      T                         0.7   -0.7      4.8
  SINCE JUL 1     14.1                      10.5    3.6     39.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6        4
  MONTH TO DATE   47                       159   -112      193
  SINCE MAR 1   1017                      1184   -167     1190
  SINCE JUL 1   4728                      5039   -311     5226

 COOLING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE   23                        16      7        6
  SINCE MAR 1     28                        18     10        6
  SINCE JAN 1     28                        18     10        6
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     40           400 PM
 AVERAGE    67

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        93      1928
 MINIMUM TEMPERATURE (F)   48        37      1927


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   509 AM PDT   SUNSET   821 PM PDT
MAY 21 2018...........SUNRISE   508 AM PDT   SUNSET   822 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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