MONTHLY CLIMATOLOGICAL SUMMARY for May 2025 NAME: 1M Accommodation, Mt John Observatory, Tekapo ELEV: 1029 meters LAT: 43-59.11 S LONG: 170-27.85 E TEMPERATURE (°C), RAIN (cm), 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 -0.5 0.0 22:20 -1.3 11:00 18.9 0.0 0.00 10.3 27.4 13:14 239 02 1.1 4.0 21:43 -0.6 10:31 17.2 0.0 0.00 10.3 23.4 16:42 303 03 6.3 10.0 19:52 2.7 00:38 12.0 0.0 0.00 13.8 29.5 07:06 5 04 6.4 9.3 00:00 4.4 13:22 11.9 0.0 0.00 5.2 21.6 00:00 274 05 7.5 11.5 20:36 4.9 01:14 10.9 0.0 0.00 11.0 33.1 11:33 15 06 8.7 13.3 20:07 5.5 07:30 9.6 0.0 0.00 5.1 37.1 23:06 8 07 10.9 14.9 20:39 8.3 09:41 7.4 0.0 0.00 15.4 68.4 18:27 24 08 11.4 14.0 02:35 9.8 08:08 6.9 0.0 0.02 25.7 88.2 21:19 26 09 7.1 14.2 05:12 0.5 11:39 11.3 0.0 2.12 20.6 114.1 04:32 6 10 5.8 13.1 20:30 1.9 04:46 12.5 0.0 0.00 16.0 75.2 22:13 330 11 8.9 11.9 00:15 5.7 13:20 9.4 0.0 0.39 9.9 42.1 03:41 332 12 10.0 14.0 18:05 7.7 00:10 8.4 0.0 0.00 8.2 27.0 02:43 24 13 11.9 15.0 18:02 7.1 11:23 6.5 0.0 0.01 29.5 96.8 18:42 295 14 5.5 9.6 00:31 2.4 13:55 12.8 0.0 0.00 7.6 39.2 00:15 262 15 9.2 13.5 16:28 4.3 08:33 9.1 0.0 0.00 23.7 81.7 19:26 307 16 12.0 15.7 18:53 8.9 01:55 6.4 0.0 0.00 17.7 78.5 21:47 322 17 11.0 15.1 17:06 8.2 06:13 7.3 0.0 0.00 19.9 514.8 08:46 23 18 6.0 10.5 01:13 2.4 23:59 12.3 0.0 1.24 14.3 68.0 00:37 37 19 0.3 3.2 19:17 -2.2 10:10 18.0 0.0 0.09 12.4 63.7 01:39 75 20 7.5 13.0 17:16 1.3 02:10 10.9 0.0 0.00 17.0 67.3 09:43 317 21 7.5 12.8 19:56 3.0 09:32 10.9 0.0 0.00 10.2 29.2 20:22 346 22 7.7 10.3 18:01 5.9 06:43 10.6 0.0 0.00 8.4 23.8 00:47 4 23 8.8 11.6 14:55 5.9 02:44 9.5 0.0 0.00 8.3 21.6 11:53 347 24 7.3 9.0 00:10 5.1 12:47 11.0 0.0 0.00 6.4 18.4 06:06 334 25 8.8 12.2 19:43 5.6 02:21 9.5 0.0 0.00 16.0 77.4 23:06 35 26 10.2 13.8 17:11 7.0 05:43 8.2 0.0 1.21 22.5 77.4 20:21 330 27 7.9 10.4 19:01 6.2 10:26 10.4 0.0 0.00 8.5 29.2 00:52 13 28 5.5 8.7 02:04 2.4 22:26 12.8 0.0 0.00 8.0 30.6 04:03 335 29 2.4 3.5 00:08 1.6 16:43 16.0 0.0 0.24 7.0 22.3 15:25 312 30 4.6 10.7 10:42 2.1 03:20 13.7 0.0 0.01 39.1 110.9 10:39 305 31 7.7 9.2 20:48 5.5 00:04 10.6 0.0 0.01 65.5 140.0 08:25 297 --------------------------------------------------------------------------------------- 7.3 15.7 16 -2.2 19 342.9 0.0 5.34 16.0 514.8 17 331