MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2025 NAME: ENKA-SGSS CITY: Istanbul STATE: ELEV: 113 m LAT: 41° 06' 44" N LONG: 29° 02' 14" E TEMPERATURE (°C), RAIN (mm), WIND SPEED (kt) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 10.1 11.6 12:00 7.8 23:15 8.2 0.0 1.2 0.3 6.1 1:30 WNW 2 9.9 14.5 15:00 6.7 5:00 8.4 0.0 0.2 0.1 3.5 13:00 NNW 3 10.9 15.9 15:00 7.4 8:30 7.4 0.0 0.4 0.3 7.8 16:15 NE 4 11.6 16.8 14:45 8.2 7:00 6.7 0.0 0.2 0.1 4.3 18:45 NE 5 12.8 16.0 15:15 9.7 4:30 5.5 0.0 0.2 0.4 8.7 12:15 NE 6 15.1 18.2 13:00 12.5 5:00 3.2 0.0 0.2 1.1 12.2 23:15 NE 7 12.3 15.4 0:15 9.6 23:30 6.0 0.0 67.6 3.1 21.7 19:45 NE 8 9.2 10.3 4:00 8.5 22:30 9.1 0.0 5.0 3.3 17.4 2:00 N 9 8.8 9.9 14:15 8.1 22:45 9.4 0.0 0.6 1.7 10.4 2:45 NNE 10 10.1 13.6 14:00 7.7 0:45 8.2 0.0 0.0 0.3 8.7 15:00 WSW 11 10.4 13.4 13:45 8.2 23:45 7.8 0.0 1.2 0.7 11.3 15:15 NE 12 10.5 14.4 15:30 6.6 8:15 7.8 0.0 0.2 0.4 8.7 19:15 WSW 13 10.9 12.6 12:00 9.4 22:30 7.4 0.0 10.0 2.2 14.8 10:30 NE 14 9.0 10.9 14:00 6.8 23:15 9.3 0.0 2.0 0.3 7.0 0:15 NW 15 8.6 10.7 13:00 5.8 00:00 9.7 0.0 1.8 1.7 14.8 10:45 NNE 16 7.3 12.3 14:15 3.8 7:45 11.0 0.0 0.2 0.2 6.1 12:30 NE 17 9.2 14.4 16:15 5.8 3:00 9.1 0.0 0.0 0.4 9.6 13:00 ESE 18 9.1 14.3 14:15 5.0 9:00 9.2 0.0 0.2 0.3 7.0 13:15 WSW 19 10.0 14.9 15:45 7.1 2:45 8.3 0.0 0.2 0.3 7.0 16:30 SW 20 11.4 12.7 14:45 9.9 00:00 6.9 0.0 0.2 1.4 13.0 15:00 NE 21 10.9 13.2 15:00 8.8 9:15 7.4 0.0 0.0 0.2 6.1 15:15 NE 22 10.8 11.7 15:30 10.0 8:00 7.5 0.0 33.4 1.5 16.5 14:45 NE 23 10.2 11.4 0:15 9.4 00:00 8.1 0.0 7.4 2.3 16.5 3:30 NE 24 10.7 13.0 14:00 8.8 2:15 7.6 0.0 0.2 0.6 10.4 20:45 ENE 25 11.1 12.3 6:00 8.0 00:00 7.2 0.0 2.2 4.5 21.7 18:45 NE 26 7.2 8.4 12:15 4.9 20:45 11.1 0.0 0.2 3.0 20.0 1:30 NE 27 4.9 5.8 0:45 3.3 16:00 13.4 0.0 5.6 3.7 18.3 11:15 N 28 4.9 7.7 11:15 3.2 2:15 13.3 0.0 5.2 3.7 21.7 15:45 WSW 29 4.6 7.7 15:45 1.9 6:30 13.7 0.0 0.0 2.3 16.5 11:30 W 30 8.5 12.6 16:45 0.9 00:00 9.8 0.0 18.4 5.9 24.3 9:00 SW 31 2.4 3.6 16:30 -0.4 23:00 15.9 0.0 6.0 1.7 13.9 7:45 NNW ------------------------------------------------------------------------------------- 9.5 18.2 6 -0.4 31 273.8 0.0 170.2 1.5 24.3 30 NE Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 1 Min <= -18.0: 0 Max Rain: 67.59 ON 07/12/25 Days of Rain: 27 (> .2 mm) 11 (> 2 mm) 2 (> 20 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration