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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     SEPTEMBER
                                          YEAR:      2014
                                          LATITUDE:   41 58 N                   
                                          LONGITUDE:  87 54 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  83  70  77   7   0  12 0.36  0.0    0 11.5 23 290   M    M   7        30 220
 2  82  67  75   5   0  10 0.01  0.0    0  5.9 18 280   M    M   6        23 280
 3  83  61  72   3   0   7 0.00  0.0    0  6.7 15 190   M    M   2        19 190
 4  85  71  78   9   0  13 0.26  0.0    0 12.6 26 170   M    M   6 3      33 180
 5  88  64  76   7   0  11 0.50  0.0    0 11.0 44 300   M    M   6 3      52 300
 6  75  60  68   0   0   3 0.00  0.0    0  8.4 15 340   M    M   4        19 340
 7  80  54  67  -1   0   2 0.00  0.0    0  4.3 14 100   M    M   1        17  60
 8  77  55  66  -2   0   1 0.00  0.0    0  6.2 15 190   M    M   5        19 190
 9  79  63  71   4   0   6 0.01  0.0    0  7.6 17 180   M    M   8        23 170
10  80  56  68   1   0   3 1.31  0.0    0 15.8 28 280   M    M   9 1      39 200
11  56  50  53 -14  12   0 0.00  0.0    0 10.3 17 340   M    M  10        22 340
12  55  44  50 -16  15   0 0.13  0.0    0 12.5 18 320   M    M  10 1      23 320
13  59  41  50 -16  15   0 0.00  0.0    0  7.7 16 310   M    M   5        20 310
14  65  42  54 -11  11   0 0.00  0.0    0  4.8 15 280   M    M   4        19 250
15  62  51  57  -8   8   0    T  0.0    0  4.9 17  20   M    M   8 8      19  20
16  68  44  56  -9   9   0 0.00  0.0    0  4.4 12 270   M    M   1        17 270
17  70  48  59  -5   6   0 0.00  0.0    0  2.8 12  60   M    M   2        16 290
18  70  53  62  -2   3   0 0.00  0.0    0  6.3 13  30   M    M   4 18     18  40
19  78  53  66   3   0   1 0.00  0.0    0 11.5 23 190   M    M   3 18     29 180
20  77  63  70   7   0   5 0.12  0.0    0 10.1 28 250   M    M   6 13     39 260
21  69  51  60  -2   5   0    T  0.0    0 12.7 28 300   M    M   5        37 310
22  67  46  57  -5   8   0 0.00  0.0    0  5.5 12 310   M    M   1        14 320
23  74  51  63   2   2   0 0.00  0.0    0  4.3 12  80   M    M   2        24 190
24  77  54  66   5   0   1 0.00  0.0    0  5.6 15 110   M    M   6        17 120
25  74  56  65   4   0   0 0.00  0.0    0  1.9  8  70   M    M   7 8      10  80
26  79  51  65   5   0   0 0.00  0.0    0  4.5 13  60   M    M   2 1      16  60
27  79  54  67   7   0   2 0.00  0.0    0  3.8 13  80   M    M   6        16  60
28  78  53  66   7   0   1 0.00  0.0    0  3.2 10  60   M    M   5 18     14  70
29  83  53  68   9   0   3 0.01  0.0    0  9.0 24  40   M    M   4 18     30  40
30  58  47  53  -5  12   0    T  0.0    0  9.7 20  20   M    M  10 18     25  10
================================================================================
SM 2210 1626       106  81  2.71     0.0 225.5          M      155              
================================================================================
AV 73.7 54.2                               7.5 FASTST   M    M   5    MAX(MPH)  
                                 MISC ---->  # 44 300               # 52  300   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  CHICAGO-OHARE
                                          MONTH:    SEPTEMBER
                                          YEAR:     2014
                                          LATITUDE:   41 58 N                   
                                          LONGITUDE:  87 54 W                   

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

AVERAGE MONTHLY: 63.9   TOTAL FOR MONTH:   2.71    1 = FOG OR MIST              
DPTR FM NORMAL:  -0.7   DPTR FM NORMAL:   -0.50    2 = FOG REDUCING VISIBILITY  
HIGHEST:    88 ON  5    GRTST 24HR  1.32 ON  9-10      TO 1/4 MILE OR LESS      
LOWEST:     41 ON 13                               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:   9                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   106    CLEAR  (SCALE 0-3)   8                                  
DPTR FM NORMAL     1    PTCLDY (SCALE 4-7)  17                                  
TOTAL FM JUL 1   111    CLOUDY (SCALE 8-10)  5                                  
DPTR FM NORMAL    -7                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    81                                                            
DPTR FM NORMAL   -11    [PRESSURE DATA]                                         
TOTAL FM JAN 1   796    HIGHEST SLP M ON M                                      
DPTR FM NORMAL   -36    LOWEST  SLP 29.51 ON 10                                 

[REMARKS]
#FINAL-09-14#

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.
  • Web Site Owner:
  • National Weather Service
  • Chicago, IL Weather Forecast Office
  • 333 West University Drive
  • Romeoville, IL 60446
  • 815-834-1435 8am-8pm
  • Page Author: LOT Webmaster
  • Web Master's E-mail: w-lot.webmaster@noaa.gov
  • Page last modified: 2-Sep-2010 4:41 PM UTC