MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2018                    
                                                                                    
NAME: Grevena        ELEV: 510  m     LAT: 40deg 06min     LONG: 21deg 24min
                                                                                    
                 TEMPERATURE (`C), RAIN  (mm), WIND SPEED (km/hr) 
                                                                                    
                                                          AVG
     MEAN                               MAX   MIN         WIND                 DOM
 DAY TEMP  HIGH   TIME   LOW   TIME     RH    RH   RAIN   SPEED HIGH   TIME    DIR
------------------------------------------------------------------------------------
 01   3.7   8.7   15:30 -0.5   06:40     95   71   0.0    0.4    9.7   12:10     S
 02   3.0   7.8   15:20 -1.9   23:50     92   75   0.0    0.1    6.4   13:40     S
 03   1.2   9.9   15:50 -3.6   04:40     92   66   0.0    0.3    8.0   14:30     S
 04   5.0  11.8   14:40 -1.2   03:30     92   66   0.0    0.1    6.4   09:20     S
 05   7.1  14.3   13:10 -0.1   23:40     92   40   0.0    1.3   22.5   12:50   WSW
 06   0.2   8.3   14:20 -5.3   07:40     91   47   0.0    0.5   20.9   13:20   WSW
 07  -1.6   8.0   15:30 -7.8   06:40     98   39   0.0    0.3    8.0   13:20     E
 08   0.3   7.1   15:10 -6.1   07:10     91   63   0.0    0.1    8.0   16:10     E
 09   5.4  14.6   14:10 -0.3   08:30     92   52   0.0    1.8   30.6   16:20   WNW
 10   4.1  10.8   13:10 -0.3   20:00     91   51   0.0    1.3   25.7   12:30     W
 11   0.5   7.1   15:00 -5.3   07:50     91   51   0.0    0.8   14.5   15:00     W
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------------------------------------------------------------------------------------
      2.6  14.6     9   -7.8     7     92.5 56.5   0.0    0.6   30.6       9     S