condition mean min max 3 h after light 0.15246433333333334 0.0 0.457393 6 h after light 0.189465 0.0 0.568395 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0