MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2025 NAME: Reynivellir 4 CITY: Reynivöllum, Selfossi STATE: ELEV: 20 m LAT: 63° 56' 13" N LONG: 20° 59' 35" W TEMPERATURE (°C), RAIN (mm), WIND SPEED (m/s) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 14.4 20.4 16:20 11.6 00:00 4.0 0.1 1.8 1.7 10.7 0:20 NE 2 13.8 17.9 15:10 10.1 1:20 4.5 0.0 0.4 2.3 9.4 11:10 NE 3 13.3 17.3 15:40 10.7 5:20 5.0 0.0 0.0 2.5 10.3 9:30 NE 4 10.7 12.7 12:50 8.3 00:00 7.6 0.0 10.4 0.9 5.4 8:40 S 5 8.7 13.2 16:30 6.0 23:30 9.6 0.0 6.8 0.8 5.4 19:30 S 6 8.2 12.8 16:40 4.1 3:10 10.1 0.0 0.6 0.7 4.9 8:10 S 7 8.0 10.1 00:00 5.0 0:20 10.3 0.0 16.4 2.5 13.4 16:00 S 8 12.8 16.2 13:40 8.9 2:20 5.5 0.0 2.0 2.5 11.2 3:50 S 9 9.4 12.1 14:40 7.3 6:30 8.9 0.0 2.2 1.0 8.0 3:50 S 10 9.9 13.3 13:20 7.3 0:10 8.4 0.0 6.6 2.1 10.7 14:10 S 11 12.7 16.0 17:10 9.4 00:00 5.6 0.0 0.0 1.6 9.4 3:40 S 12 11.6 15.8 15:20 7.8 3:00 6.8 0.0 0.0 2.0 10.7 22:40 S 13 10.3 15.8 16:10 5.1 3:40 8.0 0.0 9.4 3.1 11.2 1:10 S 14 10.3 13.5 15:00 8.3 5:40 7.9 0.0 6.6 1.6 8.5 0:20 S 15 11.2 14.3 14:50 8.4 23:20 7.1 0.0 0.2 1.1 7.2 7:40 S 16 10.9 13.9 13:10 7.3 23:50 7.4 0.0 0.2 0.8 6.7 9:40 S 17 7.2 11.7 16:10 3.6 00:00 11.1 0.0 0.2 3.2 11.6 21:50 S 18 4.4 7.8 16:00 0.8 6:50 13.8 0.0 0.0 3.0 11.6 10:30 S 19 4.2 7.6 15:40 1.0 6:50 14.1 0.0 0.0 3.2 11.2 0:50 S 20 4.1 8.7 15:30 0.9 3:10 14.2 0.0 0.0 1.9 12.5 4:50 S 21 4.8 9.4 16:40 0.3 3:40 13.5 0.0 1.0 0.4 5.4 17:30 S 22 9.9 12.9 15:10 7.3 0:10 8.3 0.0 0.0 1.1 6.3 18:30 S 23 11.1 12.6 12:30 9.2 00:00 7.2 0.0 2.6 3.1 9.8 19:00 SE 24 9.6 12.7 14:10 6.7 7:10 8.7 0.0 10.4 1.6 7.2 12:20 S 25 9.7 12.5 11:50 7.6 5:50 8.7 0.0 9.0 1.9 8.9 22:50 S 26 10.7 11.9 2:40 9.2 0:30 7.6 0.0 11.2 3.0 13.0 12:50 S 27 8.0 12.1 15:50 3.2 00:00 10.3 0.0 1.8 0.4 6.3 1:10 S 28 5.8 12.7 15:40 1.1 8:10 12.5 0.0 0.2 1.3 6.7 23:00 S 29 10.2 13.6 15:10 5.8 0:10 8.1 0.0 0.6 2.5 12.1 5:50 S 30 9.6 11.1 16:10 7.8 2:40 8.7 0.0 0.2 2.2 8.5 22:00 S ------------------------------------------------------------------------------------- 9.5 20.4 1 0.3 21 263.6 0.1 100.8 1.9 13.4 7 S Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 16.41 ON 07.09.25 Days of Rain: 23 (> .2 mm) 12 (> 2 mm) 0 (> 20 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration