condition mean min max 2 h after light 3.498396666666667 1.80791 5.66023 6 h after light 3.4993 1.29973 6.81199 10 h after light 7.072555 4.20321 10.128 14 h after light 5.8204899999999995 2.79535 10.1029 18 h after light 6.092558333333333 2.2396 8.95441 2 h after dark 8.484945 6.15753 13.9703