condition mean min max 0 h after light 14.4121 12.3581 16.4661 2 h after light 11.534105 8.58761 14.4806 4 h after light 8.22814 7.81669 8.63959 8 h after light 8.843035 6.14687 11.5392 12 h after light 17.5085 13.6639 21.3531 2 h after dark 23.6204 21.8847 25.3561 4 h after dark 17.24995 15.8407 18.6592 8 h after dark 24.4739 21.2127 27.7351 12 h after dark 16.16685 15.4299 16.9038