condition mean min max 4 h after light 58.550479499999994 51.07496 66.025999 8 h after light 79.3194815 58.650473 99.98849 12 h after light 51.0732985 46.81654 55.330057 4 h after dark 53.506387000000004 49.432148 57.580626 8 h after dark 50.651662 45.311188 55.992136 12 h after dark 48.926287 48.926287 48.926287