condition mean min max 4 h after light 6.651949999999999 5.88263 7.42127 8 h after light 7.6890350000000005 7.55302 7.82505 12 h after light 10.17709 9.16538 11.1888 4 h after dark 13.211500000000001 11.6314 14.7916 8 h after dark 13.684149999999999 13.4958 13.8725 12 h after dark 14.01145 13.7148 14.3081