condition mean min max 4 h after light 4.729363333333334 4.58333 5.02006 8 h after light 4.634916666666666 4.44896 4.838830000000001 12 h after light 4.486043333333334 4.21601 4.796530000000001 4 h after dark 4.5507800000000005 4.45699 4.7164 8 h after dark 4.41084 4.22395 4.50499 12 h after dark 4.550823333333334 4.3863 4.73802