condition mean min max 4 h after light 0.5395445 0.322102 0.756987 8 h after light 0.2038245 0.0 0.407649 12 h after light 0.0 0.0 0.0 4 h after dark 0.8256153333333334 0.536406 1.09036 8 h after dark 0.5212496666666666 0.0 1.12483 12 h after dark 0.374646 0.0 0.771118