condition mean min max 0 h after light 39.31385 37.5623 41.0654 2 h after light 54.11175 53.3241 54.8994 4 h after light 49.17815 48.993 49.3633 8 h after light 42.57695 41.0028 44.1511 12 h after light 59.52675 57.1264 61.9271 2 h after dark 53.1319 51.0938 55.17 4 h after dark 38.6452 35.2605 42.0299 8 h after dark 40.42295 39.582 41.2639 12 h after dark 45.5868 44.7702 46.4034