Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS56 KOTX 010831
CLMGEG


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
127 AM PDT FRI JUN 1 2012

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

...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

MAY 2012 ENDED UP DRIER THAN NORMAL OVER NORTHEAST WASHINGTON AND NEAR
NORMAL FOR THE IDAHO PANHANDLE.  AT SPOKANE INTERNATIONAL AIRPORT
ONLY 0.69 INCHES OF PRECIPITATION WAS RECORDED...0.93 INCHES BELOW
THE NORMAL AMOUNT OF 1.62 INCHES.  THE FIRST PART OF THE MONTH WAS
COOL WITH SHOWERS AS A LOW PRESSURE SYSTEM TRACKED THROUGH.  HIGH
TEMPERATURES IN SPOKANE ONLY REACHED THE LOW 50S FROM THE 1ST
THROUGH THE 4TH WHICH WAS 10 DEGREES BELOW NORMAL.  MUCH DRIER
CONDITIONS FOLLOWED FROM THE 4TH THROUGH THE 20TH.  SPOKANE RECEIVED
NO MEASURABLE PRECIPITATION OVER THIS 17 DAY PERIOD.  COOL NIGHTS
OCCURRED FROM THE 10TH THROUGH THE 12TH WITH SOME RECORD LOW
TEMPERATURES BROKEN.  SEVERAL SITES ON THE 11TH TIED OR BROKE NEW
LOW TEMPERATURE RECORDS WITH READINGS IN THE MID 20S.  THIS INCLUDED
BOUNDARY DAM...BAYVIEW...AND NEWPORT. TEMPERATURES REBOUNDED QUICKLY
FROM THE 13TH THROUGH THE 16TH WITH TEMPERATURES WELL ABOVE NORMAL.
AT SPOKANE HIGH TEMPERATURES RANGED FROM 78 TO 86.  THE HIGH OF 86
DEGREES ON MAY 15TH WAS 20 DEGREES ABOVE NORMAL.

THE DRY SPELL ENDED ON THE 21ST AS A WET FRONT MOVED IN.
THUNDERSTORMS OCCURRED OVER NORTH SPOKANE (NORTH OF THE AIRPORT)
DURING THE EARLY MORNING HOURS.  ON MAY 25TH WINDY CONDITIONS
DEVELOPED OVER MUCH OF THE INLAND NORTHWEST.  SPOKANE INTERNATIONAL
AIRPORT PEAK WIND GUST WAS 38 MPH.  THE WINDY CONDITIONS LED TO
SCATTERED POWER OUTAGES IN SPOKANE...COLVILLE...COEUR
D`ALENE...HAYDEN...AND SANDPOINT.  COOL TEMPERATURES ALONG WITH A
FEW SHOWERS FINISHED OFF THE MONTH.

NO RECORDS WERE RECORDED AT SPOKANE INTERNATIONAL AIRPORT DURING THE
MONTH.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   05/25/1928
 LOW               24   05/08/2002
HIGHEST            86   05/15        MM      MM       79  05/14
LOWEST             30   05/10        MM      MM       32  05/04
                                                          05/01
AVG. MAXIMUM     65.2              66.4    -1.2     62.3
AVG. MINIMUM     42.5              43.8    -1.3     41.8
MEAN             53.9              55.1    -1.2     52.0
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      1               1.1    -0.1        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.71   1948
 MINIMUM         0.06   1935
TOTALS           0.69              1.62   -0.93     1.83
DAILY AVG.       0.02              0.05   -0.03     0.06
DAYS >= .01         6              10.2    -4.2       15
DAYS >= .10         3               4.3    -1.3        6
DAYS >= .50         0               0.9    -0.9        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.29   05/03 TO 05/03           05/15 TO 05/16
                        05/02 TO 05/03                    05/31 TO 05/31
                        05/03 TO 05/03                    05/31 TO 05/31

SNOWFALL (INCHES)
RECORDS
 TOTAL            3.5   MM
TOTALS            0.0               0.1    -0.1      0.0
SINCE 7/1        36.8              44.9    -8.1     69.0
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   05/31 TO 05/31           05/31 TO 05/31
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     345               321      24      401
 SINCE 7/1       6327              6457    -130     6767
COOLING TOTAL       8                14      -6        5
 SINCE 1/1         10                14      -4        5
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    33/230    DATE  05/23
HIGHEST GUST SPEED/DIRECTION    38/060    DATE  05/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$




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