condition mean min max 4 h after light 0.123056 0.107305 0.138807 8 h after light 0.0842915 0.058593 0.10999 12 h after light 0.0 0.0 0.0 4 h after dark 0.05386933333333333 0.0 0.101299 8 h after dark 0.023850266666666665 0.0 0.0715508 12 h after dark 0.338519 0.124879 0.743467