Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS46 KOTX 012310 CCA
CLMLWS

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SPOKANE, WA
451 AM PDT TUE AUG 1 2017

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             117   07/27/1939
 LOW               41   07/02/1955
                        07/07/1895
HIGHEST           104   07/07        MM      MM      102  07/29
LOWEST             52   07/17        MM      MM       51  07/11
AVG. MAXIMUM     95.3              89.3     6.0     87.2
AVG. MINIMUM     62.4              59.6     2.8     59.5
MEAN             78.9              74.4     4.5     73.4
DAYS MAX >= 90     26              16.1     9.9       12
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         2.60   1987
 MINIMUM            T   1883
TOTALS           0.01              0.66   -0.65     1.57
DAILY AVG.       0.00              0.02   -0.02     0.05
DAYS >= .01         1               4.6    -3.6        7
DAYS >= .10         0               1.6    -1.6        3
DAYS >= .50         0               0.3    -0.3        1
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.01   07/15 TO 07/15           07/09 TO 07/10

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
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   07/31 TO 07/31           07/31 TO 07/31

DEGREE_DAYS
HEATING TOTAL       0                 7      -7        9
 SINCE 7/1          0                 7      -7        9
COOLING TOTAL     438               300     138      274
 SINCE 1/1        628               430     198      490
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    24/290    DATE  07/10
HIGHEST GUST SPEED/DIRECTION    30/320    DATE  07/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     33

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       0     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.

$$

JULY 2017 WAS VERY DRY ALONG WITH WARMER THAN NORMAL TEMPERATURES
ACROSS SOUTHEAST WASHINGTON AND THE SOUTH IDAHO PANHANDLE.  WHILE
THERE WERE NO RECORD BREAKING HEAT SPELLS LEWISTON REACHED 100
DEGREES OR WARMER 6 TIMES...AND 90 OR WARMER 26 DAYS WITH THE JULY
NORMAL 18 DAYS. REGARDING PRECIPITATION ONLY 0.01 INCHES FELL THE
ENTIRE MONTH AT THE LEWISTON AIRPORT.  0.01 INCHES OR LESS FOR THE
MONTH OF JULY HAS OCCURRED 10 TIMES SINCE RECORDS BEGAN IN 1882. THE
ONLY NOTEWORTHY EVENT DURING THE MONTH WAS SCATTERED DRY
THUNDERSTORMS DURING THE MORNING OF THE 15TH WHICH RESULTED IN
NUMEROUS FIRE STARTS.  THIS INCLUDED THE CRAIG MOUNTAIN COMPLEX
FIRES SOUTH OF LEWISTON WHICH BURNED 50,395 ACRES.

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



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