condition mean min max 0 h after light 6.22382 6.06865 6.37899 2 h after light 10.57205 8.6607 12.4834 4 h after light 16.53385 14.0182 19.0495 8 h after light 15.44695 14.0414 16.8525 12 h after light 13.278400000000001 12.7003 13.8565 2 h after dark 13.08325 12.2182 13.9483 4 h after dark 11.592649999999999 10.2103 12.975 8 h after dark 12.18115 10.8458 13.5165 12 h after dark 9.337634999999999 8.22387 10.4514