condition mean min max 0 h after light 12.688649999999999 11.2262 14.1511 2 h after light 15.50765 14.354 16.6613 4 h after light 14.087399999999999 13.9414 14.2334 8 h after light 8.505669999999999 8.4895 8.52184 12 h after light 18.596899999999998 17.4426 19.7512 2 h after dark 12.3493 11.5276 13.171 4 h after dark 9.979095 9.62169 10.3365 8 h after dark 13.549199999999999 13.3563 13.7421 12 h after dark 13.73845 12.7344 14.7425