condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.013602933333333333 0.0 0.0408088 12 h after light 0.0226068 0.0 0.0678204 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