condition mean min max 4 h after light 1.1749706666666666 0.498275 2.24621 8 h after light 1.0390533333333334 0.24456 1.76969 12 h after light 0.721607 0.339459 1.4305 4 h after dark 1.4329420000000002 0.969006 2.13756 8 h after dark 1.746214 0.826692 3.17456 12 h after dark 1.9296233333333332 1.01136 2.47558