condition mean min max 0 h after light 0.8942844999999999 0.596899 1.19167 4 h after light 0.4612815 0.269828 0.652735 8 h after light 1.059335 0.8087 1.30997 4 h after dark 1.7911549999999998 1.56667 2.01564 8 h after dark 0.753403 0.652027 0.854779 12 h after dark 0.5540579999999999 0.396691 0.711425