condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.07743733333333333 0.0 0.232312 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.056267000000000005 0.0 0.168801 12 h after dark 0.0 0.0 0.0