condition mean min max 0 h after light 9.52016 8.62982 10.4105 2 h after light 4.120525 3.9666 4.27445 4 h after light 5.12448 4.65257 5.59639 8 h after light 5.414935 5.00662 5.82325 12 h after light 7.130915 6.52604 7.73579 2 h after dark 10.95095 10.4524 11.4495 4 h after dark 10.029835 9.83127 10.2284 8 h after dark 11.65955 11.5908 11.7283 12 h after dark 9.810500000000001 9.537 10.084