condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.044742333333333335 0.0 0.134227 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.046579333333333334 0.0 0.139738 9 h after dark 0.0 0.0 0.0 12 h after dark 0.06471 0.0 0.19413