Climatological Report (Monthly)
Issued by NWS Spokane, WA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
000
CXUS46 KOTX 030029
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
429 PM PST MON FEB 2 2015

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              66   01/09/1953
 LOW              -22   01/31/1950
HIGHEST            63   01/26        MM      MM       55  01/13
LOWEST             11   01/01        MM      MM       20  01/05
AVG. MAXIMUM     43.9              41.6     2.3     40.8
AVG. MINIMUM     32.5              29.6     2.9     30.7
MEAN             38.2              35.6     2.6     35.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      2               4.4    -2.4        2
DAYS MIN <= 32     14              17.8    -3.8       23
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.56   1883
 MINIMUM         0.11   2007
TOTALS           0.83              1.08   -0.25     1.05
DAILY AVG.       0.03              0.03    0.00     0.03
DAYS >= .01         9              10.0    -1.0        9
DAYS >= .10         2               3.2    -1.2        2
DAYS >= .50         1               0.3     0.7        1
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.52   01/17 TO 01/18           01/28 TO 01/29

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.1   1957
TOTALS            1.5               2.4    -0.9        T
SINCE 7/1         1.5               7.7    -6.2      2.5
SNOWDEPTH AVG.      0                 2      -2        0
DAYS >= 1.0         0               0.8    -0.8        0
GREATEST
 SNOW DEPTH         1   01/03                          0  MM
 24 HR TOTAL      0.9   MM                       01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL     821               911     -90      901
 SINCE 7/1       2631              3119    -488     3309
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    37/240    DATE  01/18
HIGHEST GUST SPEED/DIRECTION    43/240    DATE  01/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     81

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                4     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      9
HAZE                      0

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

$$
---------------------------------------------------------------------
THE FIRST HALF OF JANUARY 2015 WAS ACTIVE ACROSS SOUTHEAST
WASHINGTON AND THE SOUTH IDAHO PANHANDLE.  THE MONTH STARTED OFF
COLD WITH HIGHS IN THE MID 20S TO LOWER 30S IN LEWISTON WITH AN INCH
OF SNOW FALLIN ON THE 3RD.  THE PATTERN CHANGED ON THE 4TH AS A
STRONG SYSTEM SCOURED OUT THE COLD AIR WITH SNOW CHANGING TO RAIN.
THE PALOUSE PICKED UP 3 TO 6 INCHES OF SNOW WITH A HALF INCH IN
LEWISTON.  THIS SNOW THAT FELL QUICKLY MELTED DUE TO THE RAIN...AS
WELL AS WINDY CONDITIONS EARLY ON THE 5TH.  WIND GUSTS OF 45 TO 55
MPH WERE OBSERVED ON THE PALOUSE AND FOOTHILLS OF THE BLUE MOUNTAINS
WITH 35 TO 45 MPH GUSTS IN LEWISTON.  FROM THE 8TH THROUGH THE 13TH
TEMPERATURES FELL BACK TO NEAR NORMAL VALUES WITH LOW CLOUDS OVER
THE AREA.  FROM THE 15TH THROUGH THE 18TH A PAIR OF WEATHER SYSTEMS
TRACKED THROUGH.  THE FIRST ONE BROUGHT LIGHT RAIN WITH THE SECOND
MUCH WETTER WITH RAINFALL AMOUNTS RANGING FROM 0.50-1.25 INCHES
REPORTED ACROSS SOUTHEAST WASHINGTON INTO THE SOUTH IDAHO PANHANDLE.
AFTER THIS HIGH PRESSURE BUILT IN FOR THE REMAINDER OF THE MONTH
WITH A STRETCH OF WARM TEMPERATURES FROM THE 24TH THROUGH THE 27TH.
THE WARMTH IN LEWISTON PEAKED ON THE 26TH WITH A BALMY HIGH OF 63
DEGREES.  PULLMAN REPORTED ITS WARMEST JANUARY TEMPERATURE ON RECORD
ON THE 26TH WITH 58 DEGREES.

SEVERAL TEMPERATURE RECORDS WERE SET DURING THE WARM STRETCH OF
WEATHER AT THE LEWISTON AIRPORT.  A HIGH TEMPERATURE OF 60 TIED A
RECORD ON THE 25TH.  ON THE 26TH THE HIGH OF 63 SET A RECORD FOR THE
DATE.  A RECORD WARM LOW TEMPERATURE OF 44 DEGREES WAS SET ON BOTH
THE 24TH AND 25TH.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.