MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025 NAME: DSP Cafe, Mt John Observatory, Tekapo ELEV: 1029 meters LAT: 43-59.11 S LONG: 170-27.85 E TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/h) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 11.4 15.6 11:13 6.8 22:56 6.9 0.0 0.0 18.9 82.4 00:11 39 02 7.5 13.1 18:54 3.5 09:20 10.8 0.0 6.1 13.8 49.7 06:52 69 03 7.5 10.4 17:03 4.6 23:39 10.8 0.0 0.0 25.0 68.4 12:25 77 04 9.5 15.2 16:35 3.8 02:48 8.8 0.0 0.0 12.7 63.7 20:39 150 05 14.8 20.0 12:49 9.0 05:27 3.5 0.0 7.4 46.3 197.6 13:33 279 06 16.0 20.2 11:57 13.1 08:21 2.3 0.0 0.4 26.9 97.6 00:23 274 07 16.9 20.3 14:57 13.3 00:08 1.5 0.0 0.8 40.2 123.1 20:40 311 08 13.5 17.7 01:24 7.1 07:29 4.8 0.0 4.6 38.6 135.4 06:10 283 09 13.6 18.6 13:15 9.1 03:20 4.7 0.0 0.0 14.4 58.0 17:42 327 10 14.6 20.2 13:52 6.5 23:53 3.8 0.0 0.2 24.3 94.3 16:23 286 11 9.4 17.6 15:39 5.1 02:00 8.9 0.0 0.1 21.5 100.8 16:47 270 12 9.8 15.0 15:34 4.9 06:12 8.6 0.0 0.0 12.2 42.5 13:25 143 13 12.4 18.5 16:19 6.6 05:45 6.0 0.0 0.0 8.9 29.9 14:16 103 14 14.2 17.9 13:59 11.2 04:50 4.2 0.0 0.0 12.9 71.6 23:18 359 15 12.8 17.4 15:57 10.0 22:51 5.5 0.0 88.7 54.8 119.2 10:59 347 16 9.1 13.2 01:27 3.3 23:53 9.2 0.0 0.7 29.7 101.5 02:31 287 17 7.5 14.3 16:24 2.4 00:35 10.9 0.0 0.8 12.5 59.8 00:07 169 18 11.8 17.9 16:30 7.0 06:05 6.5 0.0 0.4 16.9 86.4 19:46 302 19 10.3 15.7 16:09 2.4 23:59 8.1 0.0 3.7 29.3 100.1 00:19 306 20 5.4 11.1 17:38 2.1 00:03 12.9 0.0 0.2 13.8 57.2 12:32 186 21 7.1 13.7 16:14 2.0 06:54 11.2 0.0 0.0 12.0 38.5 16:37 162 22 10.3 16.1 14:46 3.9 05:12 8.0 0.0 2.4 7.9 38.9 20:53 137 23 16.0 22.3 14:36 8.6 05:06 2.4 0.0 0.0 13.6 83.9 20:15 152 24 10.4 13.6 15:20 6.0 23:58 7.9 0.0 3.1 37.1 118.4 12:36 284 25 8.3 12.0 10:30 4.6 01:36 10.1 0.0 4.2 25.5 92.9 05:11 299 26 6.5 12.0 14:57 2.3 03:44 11.8 0.0 5.6 25.9 91.4 20:46 315 27 7.4 13.0 14:25 3.9 06:32 10.9 0.0 0.0 19.8 58.7 18:53 8 28 8.6 14.1 15:51 3.6 02:02 9.8 0.0 0.0 11.0 46.1 20:18 97 29 9.0 15.7 14:29 5.6 05:05 9.4 0.0 0.0 20.1 70.2 18:24 92 30 5.3 7.6 12:45 4.4 05:46 13.0 0.0 1.6 25.3 54.0 11:02 112 31 8.6 13.1 14:38 4.3 05:24 9.7 0.0 0.0 10.5 31.7 02:29 136 --------------------------------------------------------------------------------------- 10.5 22.3 23 2.0 21 242.8 0.0 131.0 22.0 197.6 05 310