Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS46 KOTX 011201
CLMLWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
453 AM PDT SUN MAY 1 2016

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   04/24/1946
 LOW               20   04/19/1966
HIGHEST            86   04/20        MM      MM       86  04/28
LOWEST             37   04/16        MM      MM       32  04/05
                        04/05
AVG. MAXIMUM     69.7              62.3     7.4     64.2
AVG. MINIMUM     45.2              40.3     4.9     38.1
MEAN             57.4              51.3     6.1     51.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               2.2    -2.2        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.29   1978
 MINIMUM         0.05   1956
TOTALS           1.60              1.32    0.28     0.29
DAILY AVG.       0.05              0.04    0.01     0.01
DAYS >= .01         9              10.2    -1.2        7
DAYS >= .10         6               4.0     2.0        1
DAYS >= .50         1               0.4     0.6        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.64   04/29 TO 04/30           04/05 TO 04/06

SNOWFALL (INCHES)
RECORDS
 TOTAL            1.1   1972
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         6.4              10.5    -4.1      1.5
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   04/30 TO 04/30           04/29 TO 04/29

DEGREE_DAYS
HEATING TOTAL     226               413    -187      408
 SINCE 7/1       4044              4880    -836     4119
COOLING TOTAL       7                 2       5        1
 SINCE 1/1          7                 2       5        1
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
HIGHEST WIND SPEED/DIRECTION    31/250    DATE  04/04
HIGHEST GUST SPEED/DIRECTION    38/290    DATE  04/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

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