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WFO Monthly/Daily Climate Data
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CXUS56 KSGX 011445
CF6ONT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ONTARIO INTL AIRPORT CA
                                          MONTH:     DECEMBER
                                          YEAR:      2010
                                          LATITUDE:   34  2 N
                                          LONGITUDE: 117 37 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  74  34  54  -4  11   0 0.00  0.0    0  1.2  7  20   M    M   1        10  40
 2  76  41  59   1   6   0 0.00  0.0    0  2.3  8 270   M    M   4        14 200
 3  73  42  58   1   7   0 0.00  0.0    0  1.5 10 250   M    M   8        13 240
 4  63  43  53  -4  12   0    T    M    0  1.9  8 180   M    M   8        10  70
 5  69  44  57   0   8   0 0.38    M    0  2.3 21 240   M    M   7 138    25 300
 6  67  47  57   0   8   0 0.33    M    0  0.8  8  60   M    M   4 138    13 200
 7  76  44  60   3   5   0 0.00    M    0  1.5  8  10   M    M   1 1      23 210
 8  76  42  59   2   6   0 0.00  0.0    0  2.3  9  30   M    M   3        21 360
 9  71  45  58   1   7   0 0.00  0.0    0  1.4  9 260   M    M   3 8      13 240
10  69  46  58   1   7   0 0.00  0.0    0  2.4  8 270   M    M   5 18     10 270
11  78  47  63   7   2   0 0.00  0.0    0  3.0 10  40   M    M   5 18     25 270
12  84  50  67  11   0   2 0.00  0.0    0  1.2  7  20   M    M   4         8 240
13  80  49  65   9   0   0 0.00  0.0    M  2.5  8  40   M    M   M        23  30
14  70  47  59   3   6   0 0.00  0.0    0  4.5 13 260   M    M   4 18     16 220
15  55  50  53  -3  12   0    T  0.0    0  2.0 10 230   M    M  10 18     21 230
16  58  48  53  -3  12   0 0.22    M    0  4.7 12 280   M    M   8 1      17 270
17  54  48  51  -5  14   0 0.36    M    0  3.5 12  30   M    M  10 1      17  20
18  59  54  57   1   8   0 0.48  0.0    0  1.4  8 360   M    M  10 1      18 250
19  59  53  56   0   9   0 0.54  0.0    0  6.0 20 210   M    M  10 1      26 220
20  59  52  56   0   9   0 0.29  0.0    0  8.0 24 220   M    M  10 1      32 220
21  55  50  53  -3  12   0 2.84  0.0    0  3.4 12 240   M    M  10 1      15 260
22   M   M   M   M   M   M 1.21    M    0  5.5 13 270   M    M   9 1       M  M
23  62  49  56   0   9   0 0.00  0.0    0  2.9  6 180   M    M   7 1       M  M
24  67  41  54  -2  11   0 0.00  0.0    0  1.6  8  20   M    M   4 1       8  30
25  66  41  54  -2  11   0 0.33    M    0  5.8 17 270   M    M   6 18     21 270
26  58  47  53  -3  12   0 0.13    M    0  2.9 12 230   M    M   9 12     22 210
27  65  38  52  -4  13   0 0.00  0.0    0  3.6 10 260   M    M   2        20 240
28  66  40  53  -3  12   0 0.00  0.0    0  3.3 10 220   M    M   5        16 160
29  52  42  47  -9  18   0 0.62    M    0  5.9 15 240   M    M   9 1      18 240
30  53  34  44 -12  21   0 0.00  0.0    0  4.5 14 240   M    M   3        18 240
31  53  30  42 -14  23   0 0.00  0.0    0  1.9  9 190   M    M   4        15 200
================================================================================
SM 1967 1338       291   2  7.73     0.0  95.7          M      183
================================================================================
AV 65.6 44.6                               3.1 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 24 220               # 32  220
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  ONTARIO INTL AIRPORT CA
                                          MONTH:    DECEMBER
                                          YEAR:     2010
                                          LATITUDE:   34  2 N
                                          LONGITUDE: 117 37 W

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

AVERAGE MONTHLY: 55.1   TOTAL FOR MONTH:   7.73    1 = FOG OR MIST
DPTR FM NORMAL:  -1.3   DPTR FM NORMAL:    6.10    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 12    GRTST 24HR  4.09 ON 21-22      TO 1/4 MILE OR LESS
LOWEST:     30 ON 31                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   0           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:   0    0.01 INCH OR MORE:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  12
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   291    CLEAR  (SCALE 0-3)   5
DPTR FM NORMAL    18    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1   568    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL   110

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL    -5    [PRESSURE DATA]
TOTAL FM JAN 1  1461    HIGHEST SLP 30.23 ON  6
DPTR FM NORMAL  -440    LOWEST  SLP 29.61 ON 29

[REMARKS]
#FINAL-12-10#
National Weather Service National Headquarters
