condition mean min max 4 h after light 35.406549999999996 34.6695 36.1436 8 h after light 34.89745 34.4557 35.3392 12 h after light 38.1215 35.6368 40.6062 4 h after dark 52.8605 45.9329 59.7881 8 h after dark 51.4178 51.0396 51.796 12 h after dark 50.34365 49.6872 51.0001