Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS56 KOTX 031420 CCA
CLMGEG

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
256 PM PDT TUE JUN 2 2015

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

...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY
2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2015

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            83   05/31        MM      MM       80  05/23
                        05/23                             05/15
LOWEST             37   05/06        MM      MM       37  05/07
AVG. MAXIMUM     72.5              66.4     6.1     69.2
AVG. MINIMUM     48.9              43.8     5.1     46.2
MEAN             60.7              55.1     5.6     57.7
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.1    -1.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.71   1948
 MINIMUM         0.06   1935
TOTALS           0.85              1.62   -0.77     0.56
DAILY AVG.       0.03              0.05   -0.02     0.02
DAYS >= .01         6              10.2    -4.2        6
DAYS >= .10         3               4.3    -1.3        2
DAYS >= .50         0               0.9    -0.9        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.30   05/25 TO 05/25           05/08 TO 05/09


SNOWFALL (INCHES)
RECORDS
 TOTAL            3.5   MM
TOTALS            0.0               0.1    -0.1      0.0
SINCE 7/1        17.6              44.9   -27.3     37.6
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


DEGREE_DAYS
HEATING TOTAL     157               321    -164      227
 SINCE 7/1       5395              6457   -1062     6587
COOLING TOTAL      32                14      18        6
 SINCE 1/1         32                14      18        6
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    36/320    DATE  05/29
HIGHEST GUST SPEED/DIRECTION    44/320    DATE  05/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     49

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                8     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                      5

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

$$
---------------------------------------------------------------------
MAY 2015 STARTED OFF WHERE APRIL LEFT OFF WITH WARM AND DRY
CONDITIONS ACROSS NORTHEAST WASHINGTON INTO THE NORTH IDAHO
PANHANDLE.  THE PATTERN THEN CHANGED TO A WETTER PATTERN WITH
SHOWERS AND THUNDERSTORMS ALTHOUGH TEMPERATURES REMAINED ABOVE
NORMAL FOR MOST OF THE MONTH.  THE EXCEPTION WAS THE 13TH WHERE A
COOL...CLOUDY...RAINY DAY OCCURRED WITH SPOKANE ONLY REACHING THE
UPPER 50S.  A RATHER ACTIVE THUNDERSTORM PATTERN HIT THE REGION FOR
THE LATTER HALF OF THE MONTH.  ON THE 16TH...22ND...AND 25TH
THUNDERSTORMS BROUGHT SOME NEEDED RAIN.  GIVEN THE CONVECTIVE NATURE
SOME PLACES RECEIVED MODERATE TO HEAVY RAIN WHILE OTHERS SAW LITTLE
TO NO RAIN.  ON THE 25TH HEAVY RAIN WITH PEA TO MARBLE SIZE HAIL WAS
REPORTED IN TYLER AND SPANGLE.

THUNDERSTORMS TURNED STRONG TO SEVERE ON THE 29TH AND 30TH.  ON THE
29TH A SEVERE THUNDERSTORM TRACKED ACROSS NORTH SPOKANE COUNTY WITH
MULTIPLE TREES DOWN INCLUDING TWO PARKED CARS IN TUM TUM AND MEAD.
THE STORM ALSO BROUGHT SEVERAL POWER OUTAGES TO NORTH SPOKANE.
PENNY TO QUARTER SIZE HAIL WAS REPORTED IN BLANCHARD AND ARDEN.  NWS
SPOKANE REPORTED A PEAK WIND GUST OF 53 MPH.  ON THE 30TH A SEVERE
THUNDERSTORM TRACKED NEAR THE CANADIAN BORDER BRINGING LARGE HAIL
AND GUSTY WINDS.  PENNY TO HALF DOLLAR SIZE HAIL WAS REPORTED IN
LAUIER...IONE...AND IN THE VICINITY OF NORTHPORT.

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


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