Climatological Report (Monthly)
Issued by NWS Spokane, WA

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000
CXUS56 KOTX 011557
CLMEAT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
748 AM PST WED FEB 1 2017

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

...THE WENATCHEE WA PANGBORN FIELD CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1959 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              60   01/31/1971
 LOW              -12   01/30/1996
HIGHEST            37   01/21        34       3       44  01/28
LOWEST             -2   01/12        25     -27        7  01/01
AVG. MAXIMUM     24.9              33.8    -8.9     35.5
AVG. MINIMUM     16.0              22.1    -6.1     27.9
MEAN             20.5              29.5    -9.0     31.7
DAYS MAX >= 90      0                MM      MM        0
DAYS MAX <= 32     22                MM      MM        5
DAYS MIN <= 32     31                MM      MM       21
DAYS MIN <= 0       4                MM      MM        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.84   1995
 MINIMUM         0.01   1977
TOTALS           1.11              1.06    0.05     2.22
DAILY AVG.       0.04              0.04    0.00     0.07
DAYS >= .01        11                MM      MM       14
DAYS >= .10         5                MM      MM        9
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.27   01/21 TO 01/22           01/19 TO 01/19

DEGREE_DAYS
HEATING TOTAL    1372              1100     272      995
 SINCE 7/1       3731              3620     111     3118
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              4.2
HIGHEST WIND SPEED/DIRECTION    20/030    DATE  01/02
HIGHEST GUST SPEED/DIRECTION    26/030    DATE  01/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               14     SLEET                      0
FOG                      25     FOG W/VIS <= 1/4 MILE      6
HAZE                      2

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

$$

JANUARY 2017 WAS VERY WINTER LIKE ACROSS NORTH CENTRAL WASHINGTON.
THE FIRST HALF OF THE MONTH FEATURED PERIODS OF VERY COLD
TEMPERATURES AS ARCTIC AIR INVADED THE REGION FROM THE 2ND THROUGH
THE 6TH AND AGAIN FROM THE 12TH THROUGH THE 16TH.  WENATCHEE
REPORTED NINE DAYS OF LOW TEMPERATURES IN THE SINGLE DIGITS OR BELOW
ZERO.

IN BETWEEN THESE PERIODS OF VERY COLD...GENERALLY DRY
WEATHER...PACIFIC MOISTURE ENTERED THE PICTURE BRINGING SNOW ON NEW
YEARS DAY...AND AGAIN FROM THE 7TH THROUGH THE 9TH.  THE NEW YEARS
DAY SNOW BROUGHT VARIABLE AMOUNTS OF SNOW AS A COLD...UNSTABLE AIR
MASS MOVES OVERHEAD.  MISSION RIDGE WAS THE HARDEST HIT WITH THE SKI
RESORT REPORTING 39 INCHES OF SNOW IN 24 HOURS. FOUR MILES SOUTH OF
WENATCHEE 8 INCHES WAS REPORTED WITH 2 INCHES IN WENATCHEE. ON THE
10TH AND 11TH SIGNIFICANT DRIFTING OF SNOW OCCURRED ON THE
WATERVILLE PLATEAU AND GRANT COUNTY RESULTING IN CLOSURE OF HIGHWAY
2 BETWEEN COULEE CITY AND WATERVILLE.  WIND CHILLS AS LOW AS -19F
OCCURRED.  AS THE INLAND NORTHWEST TRANSITIONED OUT OF THE DEEP
FREEZE...A SIGNIFICANT SHOT OF PRECIPITATION ENTERED THE REGION FROM
THE SOUTHWEST ON THE 17TH AND 18TH.  THIS BROUGHT A WIDE VARIETY OF
WEATHER INCLUDING SNOW...FREEZING RAIN...AND SLEET.
THE COLUMBIA BASIN WAS HARDEST HIT WHERE AN ICE STORM BROUGHT
FREEZING RAIN ACCUMULATIONS UP TO THREE QUARTERS OF AN INCH.  THE
WENATCHEE AREA SAW A WINTRY MIX WHILE MOSTLY SNOW OCCURRED IN THE
CASCADES AND OKANOGAN VALLEY. THIS STORM RESULTED IN NUMEROUS SLIDE
OFFS AND ACCIDENTS...INCLUDING A CLOSURE OF INTERSTATE 90 IN THE
COLUMBIA BASIN NEAR VANTAGE.

QUIETER WEATHER OCCURRED AFTER THE 19TH AS HIGH PRESSURE SLOWLY
BUILT OVER THE REGION BY THE END OF THE MONTH.  TEMPERATURES EVEN
CLIMBED ABOVE FREEZING IN WENATCHEE WITH HIGHS IN THE MID 30S. ONE
LAST STORM OCCURRED TO FINISH OUT THE MONTH WITH 3 TO 5 INCHES ALONG
THE EAST SLOPES OF THE CASCADES AND 2 INCHES IN WENATCHEE.

TWO RECORDS WERE SET DURING THE MONTH AT THE WENATCHEE AIRPORT.  A
LOW TEMPERATURE OF -2F ON THE 12TH AND -1F ON THE 13TH BOTH SET
DAILY RECORDS.


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