condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0251886 0.0 0.0503772 12 h after light 0.08570415 0.073469 0.0979393 4 h after dark 0.014515833333333334 0.0 0.0435475 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0