ANNUAL CLIMATOLOGICAL SUMMARY

NAME: SK  CITY: Chesterfield   STATE: MO  63017  
ELEV:   545 ft  LAT:  38° 24' 34" N  LONG:  90° 17' 55" W

               TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0
                          DEP.  HEAT  COOL                                          
        MEAN  MEAN        FROM  DEG   DEG                        MAX  MAX  MIN  MIN 
 YR MO  MAX   MIN   MEAN  NORM  DAYS  DAYS  HI  DATE  LOW  DATE  >=90 <=32 <=32 <=0 
------------------------------------------------------------------------------------
 12  1  47.8  27.6  36.8   9.8   869     1  69.8   6  12.3   13    0    2   20    0
 12  2  51.0  35.6  43.6  10.6    98     0  65.1   2  30.3    2    0    0    2    0
 12  3
 12  4
 12  5
 12  6
 12  7
 12  8
 12  9
 12 10
 12 11
 12 12
------------------------------------------------------------------------------------
        48.3  28.9  37.9  10.2   966     1  69.8 JAN  12.3  JAN    0    2   22    0

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 12  1  2.74   0.90  1.20   17    8    4    1
 12  2  1.31  -0.85  0.99    3    3    2    0
 12  3
 12  4
 12  5
 12  6
 12  7
 12  8
 12  9
 12 10
 12 11
 12 12
---------------------------------------------
        4.05  0.05  1.20  JAN   11    6    1

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 12  1   3.9  34.0    1   WNW
 12  2   1.8  26.0    4     N
 12  3
 12  4
 12  5
 12  6
 12  7
 12  8
 12  9
 12 10
 12 11
 12 12
---------------------------------
         3.5  34.0  JAN  WNW