condition mean min max 0 h after light 102.41435 99.6327 105.196 4 h after light 97.66685 77.1297 118.204 8 h after light 29.06295 28.6732 29.4527 4 h after dark 22.7299 21.24 24.2198 8 h after dark 62.43885 59.7962 65.0815 12 h after dark 95.2519 94.3889 96.1149