condition mean min max 0 h after light 0.151245 0.0 0.30249 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.082026 0.0 0.164052 12 h after dark 0.0 0.0 0.0