Climatological Report (Monthly)
Issued by NWS Spokane, WA

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000
CXUS56 KOTX 011510
CLMGEG

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
702 AM PST THU FEB 1 2018

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

...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              62   01/01/1918
 LOW              -30   01/16/1888
                        01/15/1888
HIGHEST            53   01/29        MM      MM       43  01/20
LOWEST             14   01/01        MM      MM       -4  01/14
                                                          01/12
AVG. MAXIMUM     38.1              34.4     3.7     27.0
AVG. MINIMUM     29.4              24.7     4.7     13.4
MEAN             33.8              29.5     4.3     20.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      4              11.0    -7.0       23
DAYS MIN <= 32     26              23.5     2.5       31
DAYS MIN <= 0       0               0.7    -0.7        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.96   1959
 MINIMUM         0.38   1985
TOTALS           2.55              1.79    0.76     1.85
DAILY AVG.       0.08              0.06    0.02     0.06
DAYS >= .01        19              13.4     5.6       10
DAYS >= .10         5               6.4    -1.4        7
DAYS >= .50         1               0.4     0.6        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.70   01/11 TO 01/11           01/17 TO 01/18
                                                          01/18 TO 01/18
                                                          01/18 TO 01/18

SNOWFALL (INCHES)
RECORDS
 TOTAL           56.9   MM
TOTALS            8.1              11.4    -3.3     13.5
SINCE 7/1        32.4              33.5    -1.1     35.8
SNOWDEPTH AVG.      1                 5      -4        7
DAYS >= 1.0         1               4.3    -3.3        4
GREATEST
 SNOW DEPTH         6   01/12                         11  01/11
 24 HR TOTAL      6.3   01/11 TO 01/11           01/18 TO 01/18
                                                          01/18 TO 01/18
                                                          01/18 TO 01/18

DEGREE_DAYS
HEATING TOTAL     960              1099    -139     1379
 SINCE 7/1       3679              3933    -254     4001
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    43/220    DATE  01/29
HIGHEST GUST SPEED/DIRECTION    53/200    DATE  01/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     89

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                      11
LIGHT SNOW               12     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE     11
HAZE                      0

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

$$

JANUARY 2018 BROUGHT WARMER AND WETTER THAN NORMAL CONDITIONS TO
EASTERN WASHINGTON AND NORTH IDAHO.  THE FIRST 3 DAYS OF THE MONTH
STARTED ON A COOL NOTE BEFORE MILDER AIR BROUGHT A WINTRY MIX FROM
THE 4TH THROUGH THE 6TH.  LIGHT RAIN, FREEZING RAIN, SLEET, AND SNOW
WERE ALL OBSERVED WHICH RESULTED IN AREAS OF SLICK ROADS.  THE
SNOWIEST STORM OF THE MONTH FOR THE SPOKANE AND COEUR D`ALENE AREA
OCCURRED ON THE 11TH.  HEAVY SNOW IN THE AFTERNOON CONTRIBUTED TO
SEVERAL ACCIDENTS.  SNOW ACCUMULATIONS RANGED FROM 3 TO 7 INCHES
OVER NE WASHINGTON AND NORTH IDAHO, WITH SPOKANE RECORDING 6.3
INCHES.  ANOTHER SYSTEM ON THE 16TH BROUGHT MOSTLY A RAIN/SNOW MIX
ALTHOUGH POCKETS OF FREEZING RAIN WERE REPORTED INITIALLY 11 MILES
NORTH DAVENPORT AND THE NINE MILE AREA.  A MILD AND WET STORM
ARRIVED ON THE 18TH WITH RAIN TOTALS OF 0.4-0.7 INCHES.  THE RAIN
AND SNOW MELT CONTRIBUTED TO A MUDSLIDE ON SR 31 SOUTH OF METALINE
FALLS.  ANOTHER STORM ARRIVED ON THE 24TH BRINGING HEAVY SNOW TO THE
NORTHERN VALLEYS WITH 8 INCHES LOON LAKE, 7 MOYIE SPRINGS, 6 SPIRIT
LAKE, BONNERS FERRY, AND NAPLES, AND 5 INCHES IN DEER PARK.  A
WINDIER BUT MILD STORM ARRIVED ON THE 29TH WITH THE SPOKANE AIRPORT
REACHING A BALMY 53 DEGREES.  A 53 MPH WIND GUST WAS ALSO RECORDED
RESULTING IN A DOWNED TREE.

SPOKANE AIRPORT TIED ONE RECORD FOR THE MONTH WHEN THE HIGH
TEMPERATURE REACHED 53 DEGREES ON THE 29TH.


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