condition mean min max 4 h after light 0.194575 0.0 0.363988 8 h after light 0.25404943333333335 0.0317763 0.470988 12 h after light 0.26866833333333334 0.118089 0.355735 4 h after dark 0.458087 0.301873 0.564093 8 h after dark 0.308755 0.193538 0.517921 12 h after dark 0.2793623333333333 0.194148 0.334521