Preliminary Local Climatological Data (WS Form F-6)
 
                                          Station: CHANHASSEN MN NWS OFFICE
                                          Month:   DEC
                                          Year:    1999
 
  Temperature in F :        :Pcpn   :Snow:  Wind     :Sunshine: Sky     :Pk Wnd
===================================== Columns =================================
1   2   3   4   5  6a  6b    7    8   9   10  11  12  13   14  15   16   17  18
Dy Max Min Avg Dep HDD CDD  Wtr  Snw Dpth Avg Spd Dir Min Psbl S-S Wx    Spd Dr
===============================================================================
 
 1  45  34  40   M  25   0 0.00   0.0   0    M  M   M 208   38   M        M   M
 2  45  35  40   M  25   0 0.00   0.0   0    M  M   M 111   20   M        M   M
 3  48  33  41   M  24   0 0.00   0.0   0    M  M   M 400   73   M        M   M
 4  41  26  34   M  31   0 0.00   0.0   0    M  M   M  33    6   M        M   M
 5  32  19  26   M  39   0 0.00   0.0   0    M  M   M 417   76   M        M   M
 6  38  15  27   M  38   0 0.00   0.0   0    M  M   M 354   65   M        M   M
 7  40  25  33   M  32   0 0.00   0.0   0    M  M   M 379   69   M        M   M
 8  47  28  38   M  27   0 0.00   0.0   0    M  M   M 375   69   M        M   M
 9  37  26  32   M  33   0 0.00   0.0   0    M  M   M 387   71   M        M   M
10  34  19  27   M  38   0 0.00   0.0   0    M  M   M 318   58   M        M   M
11  35  25  30   M  35   0 0.00   0.0   0    M  M   M 151   28   M        M   M
12  47  18  33   M  32   0 0.00   0.0   0    M  M   M 353   65   M        M   M
13  44  17  31   M  34   0 0.00   0.0   0    M  M   M 416   76   M        M   M
14  33  24  29   M  36   0 0.00   0.0   0    M  M   M  33    6   M        M   M
15  31   7  19   M  46   0    T     T   0    M  M   M   0    0   M        M   M
16  15  -1   7   M  58   0 0.00   0.0   0    M  M   M 350   64   M        M   M
17  20   8  14   M  51   0 0.00   0.0   0    M  M   M 201   38   M        M   M
18  28  12  20   M  45   0 0.00   0.0   0    M  M   M 166   31   M        M   M
19  30   7  19   M  46   0 0.09   1.2   T    M  M   M   0    0   M        M   M
20   7  -4   2   M  63   0 0.04   0.4   1    M  M   M 401   76   M        M   M
21   5 -11  -3   M  68   0 0.00   0.0   1    M  M   M 128   24   M        M   M
22   8  -8   0   M  65   0 0.00   0.0   1    M  M   M 403   76   M        M   M
23  16  -7   5   M  60   0 0.04   1.5   1    M  M   M   0    0   M        M   M
24  20  -1  10   M  55   0 0.00   0.0   3    M  M   M   0    0   M        M   M
25  43  14  29   M  36   0    T     T   3    M  M   M 414   78   M        M   M
26  35  18  27   M  38   0 0.09   0.2   1    M  M   M 337   64   M        M   M
27  21  88  55   M  10   0    T     T   3    M  M   M 398   75   M        M   M
28  39  19  29   M  36   0 0.00   0.0   2    M  M   M  23    4   M        M   M
29  53  29  41   M  24   0 0.00   0.0   T    M  M   M 385   73   M        M   M
30  36  25  31   M  34   0 0.00   0.0   T    M  M   M 188   36   M        M   M
31  39  19  29   M  36   0 0.00   0.0   T    M  M   M 363   69   M        M   M
===============================================================================
Sm 1012  558      1220   0  0.26  3.3        M     7692  16463
===============================================================================
Av 32.6 18.0                                 M Fastst  Psbl  %   47    Max(mph)
                                 Misc ---->     M   M                    M    M
===============================================================================
Notes:
# Last of several occurrences
Column 17 Peak Wind in MPH
 
 
Preliminary Local Climatological Data (WS Form F-6), Page 2
 
                                          Station: CHANHASSEN MN NWS OFFICE
                                          Month:   DEC
                                          Year:    1999
 
[Temperature Data]      [Precipitation Data]        SYMBOLS USED IN COLUMN 16
 
Average Monthly: 25.3   Total for month:   0.26    1 = FOG
Dptr fm normal:    M    Dptr fm normal:      M     2 = FOG REDUCING VISIBILITY
Highest:    53 on   29  Grtst 24 hr  0.09 on    19#    TO 1/4 MILE OR LESS
Lowest:    -11 on   21                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        Total for month  3.3 In    5 = HAIL
                        Grtst 24 hr  1.5 on  19    6 = GLAZE OR RIME
                        Grtst depth:   3 on 27#    7 = BLOWING DUST OR SAND:
                                                       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: 12     0.01 inch or more:  4
Max 90 or above:  0     0.10 inch or more:  0
Min 32 or below: 27     0.50 inch or more:  0
Min  0 or below:  6     1.00 inch or more:  0
 
[HDD (Base 65)]
Total this Mo.  1220     Clear   (scale 0-3):  M
Dptr fm normal     M     PtCldy  (scale 4-7):  M
Seasonal total  2665     Cloudy (scale 8-10):  M
Dptr fm normal     M
 
[CDD (Base 65)]
Total this Mo.     0
Dptr fm normal     M     [Pressure Data]
Seasonal total   644     Highest SLP:       on   
Dptr fm normal     M      Lowest SLP:       on   
===============================================================================
# = LAST OF SEVERAL OCCURRENCES