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313
CXUS46 KOTX 011742
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
503 AM PDT SAT NOV 1 2014

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

OCTOBER 2014 STARTED OFF ON A DRY NOTE WITH WARMER THAN NORMAL
TEMPERATURES FOR SOUTHEAST WASHINGTON AND THE SOUTH IDAHO
PANHANDLE...BEFORE A MUCH WETTER PATTERN DEVELOPED.  LEWISTON HAD 4
DAYS OF 80 DEGREES OR WARMER FROM THE 4TH THROUGH THE 7TH.

THE PATTERN CHANGED ON THE 11TH AS A STRONG COLD FRONT BROUGHT WINDY
CONDITIONS...AS WELL AS SOME THUNDERSTORMS TO THE AREA.  ON THE 14TH
INTO THE 15TH A LOW PRESSURE SYSTEM TRACKED THROUGH THE AREA.
NUMEROUS RAIN SHOWERS AND EVEN SOME THUNDERSTORMS IN PULLMAN ON THE
15TH BROUGHT AROUND A TENTH TO A QUARTER INCH OF RAIN TO MOST
LOCATIONS.

TEMPERATURES ONCE AGAIN REBOUNDED TO MUCH ABOVE NORMAL AS LEWISTON
REACHED 77F ON THE 19TH. AN ATMOSPHERIC RIVER EVENT BROUGHT RAIN TO
THE AREA ON THE 23RD WITH LEWISTON PICKING UP A QUARTER INCH OF
RAIN.  THIS WAS FOLLOWED BY A WINDY DAY ON THE 25TH AS WINDS GUSTED
TO 53 MPH AT THE AIRPORT.

TEMPERATURES COOLED BY THE END OF THE MONTH TO MORE SEASONAL
READINGS.  A COLD FRONT ON THE 28TH BROUGHT ANOTHER QUARTER INCH OF
RAIN TO LEWISTON AND THE SURROUNDING AREA.

A COUPLE RECORDS WERE SET OR TIED DURING THE MONTH AT THE LEWISTON
AIRPORT. A RECORD HIGH TEMPERATURE OF 87 DEGREES WAS SET ON THE 7TH.
ON THE 20TH A HIGH TEMPERATURE OF 75 TIED THE RECORD FOR THE DATE.

OVERALL FOR THE MONTH OF OCTOBER..THE AVERAGE TEMPERATURE FOR
LEWISTON WAS 57.9F WHICH IS 5.6 DEGREES ABOVE OUR NORMAL AVERAGE
MONTHLY TEMPERATURE OF 52.0F. THIS WARM OCTOBER AVERAGE TEMPERATURE
RANKS AS THE 3RD WARMEST SINCE RECORDS BEGAN BEING KEPT IN 1881.

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


...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   10/05/1943
 LOW               15   10/31/2002
HIGHEST            87   10/07        MM      MM       76  10/06
LOWEST             39   10/27        MM      MM       25  10/30
                        10/16
AVG. MAXIMUM     69.0              62.6     6.4     61.0
AVG. MINIMUM     46.8              41.1     5.7     37.3
MEAN             57.9              51.8     6.1     49.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               2.4    -2.4        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.24   1940
 MINIMUM            T   1987
TOTALS           0.99              0.96    0.03     0.09
DAILY AVG.       0.03              0.03    0.00     0.00
DAYS >= .01         7               7.9    -0.9        3
DAYS >= .10         4               3.3     0.7        0
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.25   10/28 TO 10/28           10/08 TO 10/08

SNOWFALL (INCHES)
RECORDS
 TOTAL            2.5   1971
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   10/31 TO 10/31           10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     225               411    -186      481
 SINCE 7/1        245               525    -280      568
COOLING TOTAL      14                 3      11        0
 SINCE 1/1       1095               807     288     1178
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    38/210    DATE  10/25
HIGHEST GUST SPEED/DIRECTION    53/240    DATE  10/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$




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