condition mean min max 0 h after light 14.09955 13.4397 14.7594 2 h after light 8.4222 7.89883 8.94557 4 h after light 7.074815 6.54277 7.60686 8 h after light 8.228545 8.07344 8.38365 12 h after light 13.9811 13.1358 14.8264 2 h after dark 13.480699999999999 13.1251 13.8363 4 h after dark 14.35815 13.8709 14.8454 8 h after dark 19.42175 19.2761 19.5674 12 h after dark 15.060500000000001 14.9083 15.2127