condition mean min max 0 h after light 5.78368 4.18028 7.38708 2 h after light 5.03648 4.58277 5.49019 4 h after light 4.651985 4.17495 5.12902 8 h after light 4.18674 4.07275 4.30073 12 h after light 5.12249 4.75299 5.49199 2 h after dark 5.736095 5.11567 6.35652 4 h after dark 5.88035 5.23071 6.52999 8 h after dark 7.8451450000000005 7.52859 8.1617 12 h after dark 6.59527 6.14608 7.04446