condition mean min max 0 h after light 36.616 34.4661 38.7659 4 h after light 25.470100000000002 23.9466 26.9936 8 h after light 18.593850000000003 18.2509 18.9368 4 h after dark 24.0476 20.0686 28.0266 8 h after dark 30.3275 26.7257 33.9293 12 h after dark 29.590200000000003 27.8851 31.2953