condition mean min max 3 h after light 2.4932909166666666 0.346214 9.47379 7 h after light 0.75385345 0.0693354 1.51654 11 h after light 0.700848 0.238963 1.61168 2 h after dark 1.4022684166666668 0.32216 2.61723 6 h after dark 0.9505880833333333 0.213956 2.54886 10 h after dark 1.70103225 0.115374 6.19327