MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2026 NAME: Gebze CITY: Istanbul STATE: Turkey ELEV: 280 m LAT: 40° 50' 50" N LONG: 29° 32' 32" 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 21.8 25.9 15:30 17.4 6:00 0.0 3.5 0.0 11.7 33.9 16:20 NE 2 23.2 27.9 14:40 20.3 1:10 0.0 4.9 0.0 9.2 26.1 15:40 NE 3 23.8 29.8 16:20 19.9 4:40 0.0 5.5 0.0 6.0 20.0 16:30 NNE 4 25.2 30.8 14:50 20.4 7:30 0.0 6.8 0.0 5.8 20.0 17:20 NNE 5 25.7 30.2 12:50 21.2 7:10 0.0 7.4 0.0 8.0 24.3 18:10 NNE 6 24.1 29.3 14:30 20.6 4:00 0.0 5.8 0.0 6.6 20.0 18:40 NE 7 24.2 29.3 16:00 20.7 5:20 0.0 5.9 0.0 4.8 17.4 18:50 ENE 8 24.8 29.8 14:30 20.7 6:20 0.0 6.6 0.0 4.6 20.0 15:50 NNE 9 23.6 26.4 16:30 22.3 5:40 0.0 5.2 0.0 6.5 27.0 18:10 N 10 24.0 27.9 14:00 21.5 4:40 0.0 5.7 0.0 8.8 26.1 16:50 NNE 11 24.1 27.7 12:40 21.5 3:30 0.0 5.8 0.0 8.2 27.0 16:10 NNE 12 24.4 29.7 15:00 20.6 4:50 0.0 6.1 0.0 8.3 24.3 16:50 NE 13 24.0 29.1 13:40 20.8 00:00 0.0 5.7 0.0 11.0 31.3 17:40 NNE 14 22.2 25.4 13:20 19.9 3:20 0.0 3.9 0.2 11.2 31.3 15:50 NNE 15 21.2 25.0 13:40 18.6 4:50 0.0 2.9 0.0 11.7 31.3 17:30 NE 16 20.9 24.3 15:10 17.9 6:20 0.0 2.6 0.0 8.8 24.3 16:40 NE 17 21.7 25.8 16:40 18.7 3:20 0.0 3.4 0.0 6.6 20.9 17:50 NE 18 24.1 30.7 17:30 18.6 2:00 0.0 5.8 0.0 3.3 14.8 14:10 SSW 19 24.6 29.1 13:40 21.2 5:00 0.0 6.3 0.0 5.5 20.0 17:00 SSE 20 24.1 29.5 14:20 20.2 1:30 0.0 5.8 0.0 7.5 23.5 17:40 NNE 21 23.5 29.7 13:40 19.3 4:00 0.0 5.2 0.0 6.3 22.6 15:10 NNE 22 23.9 30.4 14:30 20.0 0:10 0.0 5.6 0.0 5.0 15.7 19:00 NE 23 24.1 30.8 14:50 20.1 6:50 0.0 5.8 0.0 4.3 20.0 17:00 NNE 24 24.2 29.7 14:40 19.3 2:50 0.0 5.9 0.0 8.0 26.1 15:30 NNE 25 24.8 31.3 14:50 20.1 00:00 0.0 6.5 0.0 5.5 22.6 18:00 NE 26 23.6 30.4 14:00 19.2 7:20 0.0 5.3 0.0 4.9 18.3 16:10 NE 27 23.2 28.4 14:30 19.8 6:40 0.0 4.9 0.0 5.4 18.3 19:20 NNE 28 20.3 24.1 13:50 16.7 22:00 0.2 2.2 6.0 6.3 26.1 14:20 N 29 19.7 24.2 15:30 16.7 2:40 0.4 1.8 0.4 3.8 20.9 16:50 NNE 30 21.9 26.7 15:30 18.9 1:40 0.0 3.6 0.2 4.7 17.4 17:50 N 31 22.0 26.2 15:10 19.2 7:00 0.0 3.7 0.0 6.4 20.0 18:30 NE ------------------------------------------------------------------------------------- 23.3 31.3 25 16.7 28 0.6 156.1 6.8 6.9 33.9 1 NE Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 5.99 ON 28/08/26 Days of Rain: 4 (> .2 mm) 1 (> 2 mm) 0 (> 20 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration