condition mean min max 4 h after light 0.280819 0.137246 0.424392 8 h after light 1.36585 1.34129 1.39041 12 h after light 2.3008800000000003 2.27283 2.32893 4 h after dark 3.531156666666667 2.62374 4.31392 8 h after dark 1.0841873333333334 0.618962 1.41492 12 h after dark 0.924876 0.509443 1.47021