condition mean min max 0 h after light 34.18235 31.7998 36.5649 4 h after light 19.215049999999998 18.4238 20.0063 8 h after light 19.20895 18.5413 19.8766 4 h after dark 22.5427 20.3235 24.7619 8 h after dark 26.140500000000003 23.3484 28.9326 12 h after dark 27.4997 25.9071 29.0923