condition mean min max 0 h after light 0.196453 0.156994 0.235912 4 h after light 0.35862849999999996 0.077394 0.639863 8 h after light 0.38942720000000003 0.0799054 0.698949 4 h after dark 0.15434095 0.0773989 0.231283 8 h after dark 0.1939265 0.155923 0.23193 12 h after dark 0.2701025 0.156784 0.383421