MONTHLY CLIMATOLOGICAL SUMMARY for Sep 2025 NAME: Lónakot - Hamrar í Grímsnesi ELEV: 50 metrar LAT: 64-03.72 N LONG: 020-36.29 V 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 --------------------------------------------------------------------------------------- 01 13.6 19.2 15:15 9.4 00:00 4.8 0.0 3.3 2.1 12.5 07:10 64 02 11.9 16.5 14:50 7.6 01:30 6.4 0.0 0.6 2.2 10.0 15:35 45 03 12.4 15.9 14:50 10.7 00:55 6.0 0.0 0.0 3.2 10.5 04:00 58 04 10.0 13.0 13:55 7.1 23:50 8.3 0.0 11.4 1.2 8.0 14:15 213 05 8.4 11.7 13:55 4.9 23:55 10.0 0.0 5.1 1.1 8.5 13:10 211 06 7.0 12.6 16:10 2.5 05:25 11.3 0.0 6.0 0.5 6.5 14:20 16 07 7.0 8.6 22:30 3.9 03:15 11.4 0.0 27.9 3.3 10.0 08:45 35 08 11.6 15.0 13:10 8.0 00:00 6.7 0.0 6.3 3.6 13.5 13:35 63 09 8.5 11.5 15:00 6.5 06:30 9.8 0.0 3.3 3.0 11.0 14:55 248 10 9.7 13.1 21:35 6.2 04:20 8.6 0.0 4.8 2.9 13.0 20:55 46 11 12.9 15.2 15:55 9.1 23:30 5.4 0.0 0.0 3.5 16.0 09:25 74 12 10.6 15.0 16:15 7.0 06:10 7.7 0.0 0.0 1.6 7.0 06:25 27 13 9.6 14.0 15:50 4.1 03:45 8.7 0.0 18.3 3.9 13.0 07:45 50 14 10.3 12.9 14:20 7.7 07:15 8.1 0.0 6.6 3.0 14.0 13:55 167 15 10.9 15.4 16:05 7.8 23:35 7.4 0.0 0.0 1.4 8.0 05:05 63 16 10.7 14.1 15:00 7.0 23:10 7.7 0.0 0.0 2.1 11.5 07:50 71 17 6.5 11.0 15:45 1.3 23:10 11.8 0.0 0.0 2.8 9.5 17:50 53 18 4.2 7.1 17:25 0.6 02:25 14.1 0.0 0.0 3.8 12.5 04:10 59 19 3.4 6.5 15:20 -0.0 22:50 14.9 0.0 0.0 4.4 12.5 13:10 45 20 2.8 7.9 15:55 -2.1 04:25 15.6 0.0 0.0 1.5 8.5 15:15 6 21 3.4 8.6 15:35 -2.0 03:55 14.9 0.0 1.5 1.0 6.0 15:10 255 22 9.3 11.8 15:40 6.8 07:00 9.0 0.0 0.0 3.3 12.0 18:00 194 23 11.0 12.3 17:45 9.0 23:40 7.3 0.0 0.9 6.2 17.0 11:50 182 24 9.2 11.4 13:25 7.0 05:40 9.1 0.0 4.5 4.9 14.0 12:05 181 25 9.1 10.5 13:20 6.8 00:20 9.3 0.0 14.7 5.2 19.5 00:15 198 26 10.6 12.1 02:50 8.8 23:45 7.7 0.0 18.9 9.1 24.0 12:05 196 27 7.7 11.7 14:00 2.5 23:50 10.7 0.0 2.7 1.8 11.5 01:10 234 28 4.8 11.7 14:55 -0.8 06:45 13.5 0.0 0.0 1.2 5.5 03:55 21 29 10.3 11.8 08:50 2.8 00:05 8.0 0.0 3.9 5.3 15.5 03:15 140 30 9.2 10.4 15:15 7.8 03:25 9.1 0.0 10.8 6.4 14.5 14:40 189 --------------------------------------------------------------------------------------- 8.9 19.2 01 -2.1 20 283.4 0.0 151.5 3.2 24.0 26 124