condition mean min max 0 h after light 6.8254850000000005 5.19463 8.45634 4 h after light 3.841215 0.0 7.68243 8 h after light 6.47053 3.30489 9.63617 4 h after dark 10.87786 3.18862 18.5671 8 h after dark 7.3759 5.15918 9.59262 12 h after dark 5.7160285 0.648457 10.7836