Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS46 KOTX 012152 CCA
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
419 AM PDT SUN JUL 1 2018

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2018...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             111   06/28/2015
 LOW               34   06/01/1951
HIGHEST            90   06/03        MM      MM       99  06/25
LOWEST             45   06/12        MM      MM       44  06/11
AVG. MAXIMUM     79.2              78.5     0.7     81.4
AVG. MINIMUM     54.8              53.4     1.4     54.9
MEAN             67.0              66.0     1.0     68.2
DAYS MAX >= 90      1               3.9    -2.9        7
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.67   1884
 MINIMUM         0.01   1883
TOTALS           1.15              1.24   -0.09     0.62
DAILY AVG.       0.04              0.04    0.00     0.02
DAYS >= .01         7               8.8    -1.8        6
DAYS >= .10         4               4.3    -0.3        3
DAYS >= .50         1               0.3     0.7        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.55   06/09 TO 06/09              0.23

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   2017
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1        14.1              10.5     3.6     39.2
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   06/30 TO 06/30               0.0

DEGREE_DAYS
HEATING TOTAL      35                70     -35       37
 SINCE 7/1       4773              5167    -394     5280
COOLING TOTAL     101                98       3      139
 SINCE 1/1        166               130      36      190
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    32/260    DATE  06/03
HIGHEST GUST SPEED/DIRECTION    40/260    DATE  06/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     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                       2     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.

$$

JUNE 2018 BROUGHT NORMAL TEMPERATURES AND PRECIPITATION TO MOST OF
SOUTHEAST WASHINGTON INTO THE SOUTH IDAHO PANHANDLE. THERE WERE TWO
NOTEWORTHY EVENTS DURING THE MONTH. THE FIRST WAS FROM THE 8TH
THROUGH THE 10TH AS A LOW PRESSURE SYSTEM BROUGHT COOL AND SHOWERY
WEATHER AS WELL AS ISOLATED THUNDERSTORMS. ON THE 9TH PULLMAN ONLY
REACHED 56F WITH 0.57 INCHES OF RAIN. THE OTHER EVENT WAS
THUNDERSTORMS DURING THE EARLY MORNING HOURS OF THE 21ST.

NO RECORDS WERE BROKE DURING THE MONTH AT THE LEWISTON AIRPORT.


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