condition mean min max 2 h after light 4.26893 3.94266 4.64073 6 h after light 4.56574 4.33264 4.80757 10 h after light 4.92859 4.75471 5.12729 2 h after dark 4.54556 4.48324 4.60682 6 h after dark 4.9285 4.66649 5.07392 10 h after dark 3.8029766666666664 3.58482 3.9694