condition mean min max 4 h after light 48.080471 40.320111 55.840831 8 h after light 59.284357 53.481452 65.087262 12 h after light 51.65407999999999 43.779343 59.528817 4 h after dark 46.4916605 44.432498 48.550823 8 h after dark 33.697348 31.648157 35.746539 12 h after dark 33.020133 33.020133 33.020133