condition mean min max 3 h after light 0.16181033333333333 0.0 0.485431 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.039578 0.0 0.158312 3 h after dark 0.0 0.0 0.0 6 h after dark 0.15886166666666668 0.0 0.280949 9 h after dark 0.09616200000000001 0.0 0.288486 12 h after dark 0.151402 0.0 0.302804