ANNUAL CLIMATOLOGICAL SUMMARY

NAME: Hawkeye Observatory  CITY: Durand   STATE: Illinois  
ELEV:   758 ft  LAT:  42° 26' 20" N  LONG:  89° 19' 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 
------------------------------------------------------------------------------------
 10  1
 10  2  33.2  20.9  27.6   0.0   501     0  38.4  19   5.8   19    0    5   14    0
 10  3  51.5  28.7  40.2   0.0   770     4  77.5  31  13.7    4    0    1   18    0
 10  4  66.8  41.0  54.1   0.0   356    30  84.1   1  26.3    9    0    0    5    0
 10  5  72.4  50.7  62.1   0.0   220   129  94.2  24  30.9    9    4    0    1    0
 10  6  80.3  59.8  70.2   0.0    40   196  89.5  11  49.3   30    0    0    0    0
 10  7  85.0  63.5  74.6   0.0    17   315  91.5  14  50.6    2    3    0    0    0
 10  8
 10  9
 10 10
 10 11
 10 12
------------------------------------------------------------------------------------
        68.0  46.5  57.5   0.0  1905   674  94.2 MAY   5.8  FEB    7    6   38    0

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 10  1
 10  2  0.13   0.00  0.10   20    2    0    0
 10  3  1.57   0.00  0.61   11    7    5    0
 10  4  3.67   0.00  0.93    6   12    8    0
 10  5  3.36   0.00  0.97   12    7    5    0
 10  6  6.34   0.00  1.20   18   14   11    2
 10  7  8.59   0.00  3.18   24   12    9    4
 10  8  
 10  9
 10 10
 10 11
 10 12
---------------------------------------------
       23.66  0.00  3.18  JUL   54   38    6

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 10  1
 10  2   4.7  17.0   16    NW
 10  3   4.0  28.0   14   NNE
 10  4   4.8  31.0    2   ENE
 10  5   4.0  31.0    5   ENE
 10  6   2.3  32.0   18     W
 10  7   1.8  26.0   22     W
 10  8   
 10  9
 10 10
 10 11
 10 12
---------------------------------
         3.5  32.0  JUN    W