WFO Monthly/Daily Climate Data
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CXUS56 KPDT 011910
CF6ALW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WALLA WALLA WA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   46  5 N
                                          LONGITUDE: 118 17 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  45  28  37   1  28   0 0.00    M    M  4.3 13 160   M    M   0        16 160
 2  34  25  30  -6  35   0 0.00    M    M  4.3 13 160   M    M   4 12     15 150
 3  30  24  27  -9  38   0 0.00    M    M  2.7  9 160   M    M   7 12     10 160
 4  27  21  24 -11  41   0 0.00    M    M  3.4  8 170   M    M   7 12     12 170
 5  27  25  26  -9  39   0    T    M    M  2.9 10 200   M    M  10 12     12 250
 6  35  25  30  -5  35   0 0.00    M    M  4.1 13  90   M    M   6 1      16  90
 7  31  27  29  -5  36   0 0.00    M    M  2.9  9 150   M    M  10 12     11 140
 8  40  28  34   0  31   0 0.00    M    M  3.9 13 260   M    M   7 12     15 260
 9  49  30  40   6  25   0 0.14    M    M  8.7 16 190   M    M   5 126    22 180
10  38  26  32  -2  33   0    T    M    M  5.5 13 180   M    M   8 126    17 180
11  43  31  37   3  28   0    T    M    M  6.2 14 200   M    M   7 1      17 190
12  38  26  32  -1  33   0 0.00    M    M  5.1 10  80   M    M   6 1      13  90
13  33  27  30  -3  35   0 0.08    M    M  4.8 14 280   M    M   8 12     15 280
14  37  30  34   1  31   0    T    M    M  2.7  8 180   M    M   9 14      9 180
15  49  30  40   7  25   0 0.01    M    M 13.2 25 180   M    M   7        35 180
16  54  39  47  14  18   0 0.04    M    M 11.8 31 150   M    M   6        43 140
17  49  41  45  12  20   0    T    M    M 13.2 22 240   M    M   9        29 240
18  50  36  43  10  22   0    T    M    M  8.2 21 200   M    M   5        27 220
19  54  47  51  19  14   0 0.09    M    M 14.4 32 210   M    M   6        45 220
20  55  47  51  19  14   0 0.38    M    M 14.9 25 180   M    M  10        32 170
21  65  42  54  22  11   0 0.29    M    M 10.8 46 260   M    M   6 1      59 270
22  46  30  38   6  27   0 0.00    M    M 13.4 33 240   M    M   5        47 230
23  42  26  34   2  31   0 0.00    M    M  5.2 10 170   M    M   0        13 180
24  31  21  26  -6  39   0 0.00    M    M  3.7 10 180   M    M   5 12     13 180
25  31  21  26  -7  39   0 0.11    M    M  3.0  9 200   M    M   9 126    13 180
26  43  29  36   3  29   0 0.25    M    M  8.5 17 200   M    M   6 126    21 210
27  40  27  34   1  31   0 0.00    M    M  4.7  9 210   M    M   6 12     13 150
28  32  30  31  -2  34   0 0.00    M    M  4.8 10 150   M    M  10 1      12 200
29  34  30  32  -1  33   0    T    M    M  2.6 10 300   M    M   9        12 300
30  47  31  39   6  26   0 0.36    M    M  8.0 21 180   M    M   9 1      29 180
31  48  40  44  11  21   0 0.07    M    M 11.1 18 190   M    M  10        25 180
================================================================================
SM 1277  940       902   0  1.82    M    213.0          M      212
================================================================================
AV 41.2 30.3                               6.9 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    46 260                 59 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   WALLA WALLA WA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   46  5 N
                                          LONGITUDE: 118 17 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 35.8   TOTAL FOR MONTH:   1.82    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:   -0.65    2 = FOG REDUCING VISIBILITY
HIGHEST:    65 ON 21    GRTST 24HR  0.53 ON 20-21      TO 1/4 MILE OR LESS
LOWEST:     21 ON 25,24                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   7    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  24    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   902    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL   -73    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1  1951    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -177

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   904    HIGHEST SLP 30.70 ON  4
DPTR FM NORMAL    58    LOWEST  SLP 29.46 ON 21

[REMARKS]
#FINAL-12-20#