condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.21913349999999998 0.142902 0.295365 8 h after light 0.0716975 0.0 0.143395 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0