condition mean min max 0 h after light 42.3391 41.3746 43.3036 2 h after light 19.5217 18.6133 20.4301 4 h after light 19.481749999999998 19.1893 19.7742 8 h after light 23.1553 20.6128 25.6978 12 h after light 33.3244 30.3965 36.2523 2 h after dark 40.93345 40.6515 41.2154 4 h after dark 39.38505 36.0475 42.7226 8 h after dark 47.468999999999994 46.2784 48.6596 12 h after dark 46.00395 43.6336 48.3743