National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXAK56 PAFC 011740
CF6ANC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ANCHORAGE AK
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   61 10 N
                                          LONGITUDE: 150  2 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  17  28   0    T    T    9 13.4 25 150   M    M   9        38 150
 2  43  26  35  15  30   0 0.30  4.3    8  8.8 28 150   M    M   9 128    41 160
 3  26  16  21   1  44   0    T    T   12  8.6 16 210   M    M  10        24 200
 4  16   2   9 -11  56   0    T    T   11  3.0 10 360   M    M   6 1      12 360
 5  14  -3   6 -14  59   0    T  0.2   11  5.8 14  40   M    M   5 18     21  80
 6  24  -1  12  -8  53   0 0.00  0.0   11 10.2 20 360   M    M   8        26 350
 7  34  22  28   8  37   0 0.01    T   10  4.5 13 340   M    M   8        16 350
 8  37  21  29   9  36   0 0.18  2.5   10  5.2 16 230   M    M   9 16     31 200
 9  28  17  23   3  42   0 0.00  0.0   12  3.3  9 330   M    M   8 1      13  50
10  23  12  18  -1  47   0    T  0.0   12  2.3  8 350   M    M   9 12     10 350
11  21  11  16  -3  49   0 0.00  0.0   12  6.8 12  30   M    M   7        16  40
12  21  14  18  -1  47   0 0.00  0.0   12  7.7 13 360   M    M   7        17 340
13  30  21  26   7  39   0 0.00  0.0   11  6.6 14 350   M    M   9        17 360
14  29  25  27   8  38   0 0.00  0.0   11  7.6 18  40   M    M   8        24  50
15  28  24  26   7  39   0 0.13  1.7   11  3.6  9  30   M    M  10 1      14  20
16  29  20  25   6  40   0 0.11  1.4   13  4.9 12  30   M    M  10 1      16  10
17  20  15  18  -1  47   0 0.00  0.0   13 11.6 18 360   M    M   7        25 350
18  22  13  18  -1  47   0    T    T   13  4.8 12 350   M    M   9 18     16 350
19  22  12  17  -2  48   0 0.37  8.0   13  8.5 17 360   M    M   9 1      23 360
20  25  12  19   0  46   0 0.13  2.8   21  3.9 10 300   M    M   9 1      14 350
21  30  18  24   5  41   0    T    T   21  6.9 16 180   M    M   9        24 170
22  43  22  33  14  32   0 0.05    T   20  8.3 25 360   M    M   8 1      33  20
23  36  30  33  14  32   0 0.13  0.9   18 10.0 17 160   M    M   6 1      31 170
24  34  22  28  10  37   0    T    T   17  4.6 16 160   M    M   8        22 170
25  27  17  22   4  43   0 0.00  0.0   17  4.4 14 360   M    M   8        17  10
26  27  19  23   5  42   0 0.02  0.4   17  3.9 13  60   M    M   9 18     15  60
27  26  12  19   1  46   0 0.00  0.0   17  5.4 14 320   M    M   8        16 310
28  41  25  33  15  32   0 0.06    T   17  9.6 25 170   M    M   8        39 150
29  29  20  25   7  40   0 0.00  0.0   16  3.7 10  20   M    M   5        14 350
30  28  19  24   6  41   0 0.00  0.0   16  3.4  9 350   M    M   7        12 350
31  23  11  17  -1  48   0 0.00  0.0   16  3.9  9  50   M    M   2        13 170
================================================================================
SM  881  522      1306   0  1.49 22.2    195.2          M      244
================================================================================
AV 28.4 16.8                               6.3 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->    28 150                 41 160
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ANCHORAGE AK
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   61 10 N
                                          LONGITUDE: 150  2 W

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

AVERAGE MONTHLY: 22.6   TOTAL FOR MONTH:   1.49    1 = FOG OR MIST
DPTR FM NORMAL:   3.6   DPTR FM NORMAL:    0.38    2 = FOG REDUCING VISIBILITY
HIGHEST:    45 ON  1    GRTST 24HR  0.37 ON 19-19      TO 1/4 MILE OR LESS
LOWEST:     -3 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  22.5 INCHES  5 = HAIL
                        GRTST 24HR   8.0 ON 19-19  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  21 ON 21,20  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:  23    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   2    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1306    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL  -120    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  4187    CLOUDY (SCALE 8-10) 16
DPTR FM NORMAL  -403

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     3    HIGHEST SLP 30.13 ON 11
DPTR FM NORMAL     1    LOWEST  SLP 28.77 ON  1

[REMARKS]
#FINAL-12-20#