condition mean min max 4 h after light 5366.5 5366.5 5366.5 8 h after light 4999.9 4304.4 5695.4 12 h after light 5147.35 4755.2 5539.5 4 h after dark 4560.6 4468.2 4653.0 8 h after dark 3967.7 3684.1 4251.3 12 h after dark 3979.15 3858.7 4099.6