ANNUAL CLIMATOLOGICAL SUMMARY

NAME: Hawkeye Observatory  CITY: Durand   STATE: Illinois  
ELEV:   758 ft  LAT:  42° 26' 20" N  LONG:  89° 18' 35" 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 
------------------------------------------------------------------------------------
 16  1  28.5  15.0  22.3   0.0  1324     0  42.3  14  -5.5   18    0   17   28    6
 16  2  34.8  21.0  28.1   0.0  1071     0  59.7  28  -0.1   13    0   11   25    1
 16  3  59.6  30.9  42.8   0.0   714    27 67.1   30  -5.2    2    3    2   16    1
 16  4  58.8  36.1  47.8   0.0   547    32  81.8  17  20.7    5    0    0    8    0
 16  5  72.0  46.8  60.0   0.0   247    93  86.0  25  31.0   15    0    0    1    0
 16  6  81.7  57.6  70.4   0.0    57   218  91.3  10  44.8    8    3    0    0    0
 16  7  82.9  62.1  72.7   0.0    29   267  93.6  21  48.6    3    2    0    0    0
 16  8  83.1  61.3  72.2   0.0    27   249  89.1  10  47.7   22    0    0    0    0
 16  9  78.3  56.6  66.9   0.0    88   144  91.8   6  44.9   27    1    0    0    0
 16 10  65.6  43.2  54.7   0.0   354    35  82.2  17  28.8   25    0    0    4    0
 16 11  54.4  34.1  44.0   0.0   636     5  75.3   1  15.2   21    0    0   11    0
 16 12  29.0  15.8  23.3   0.0  1292     0  44.6  26 -19.7   19    0   15   29    6
------------------------------------------------------------------------------------
        60.8  40.1  50.5   0.0  6386  1069 158.0 MAR -19.7  DEC    9   45  122   14

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 16  1  0.85   0.00  0.35    8   10    3    0
 16  2  0.37   0.00  0.21    2    6    1    0
 16  3  4.16   0.00  0.95   15   14    8    0
 16  4  2.51   0.00  0.62    6   10    6    0
 16  5  3.25   0.00  0.58   10   15    7    0
 16  6  3.23   0.00  1.15   14    7    7    1
 16  7  4.57   0.00  1.21   21    9    6    1
 16  8  5.51   0.00  0.90   20   13    9    0
 16  9  2.30   0.00  0.98    7    9    4    0
 16 10  3.32   0.00  1.58   26   12    5    1
 16 11  3.19   0.00  1.13   28    7    4    1
 16 12  1.19   0.00  0.41   25    7    4    0
---------------------------------------------
       34.45  0.00  1.58  OCT  119   64    4

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 16  1   5.4  29.0   12   WNW
 16  2   6.2  40.0   19    NW
 16  3   5.5  44.0   16   ENE
 16  4   6.2  46.0    2   ENE
 16  5   4.7  34.0    3   ENE
 16  6   3.6  35.0   10     W
 16  7   2.7  35.0    6     W
 16  8   2.2  29.0   18   SSW
 16  9   3.2  30.0   26   SSW
 16 10   3.2  29.0   26     S
 16 11   3.8  39.0   19   WSW
 16 12   5.9  37.0   14     W
---------------------------------
         4.4  46.0  APR    W