condition mean min max 4 h after light 0.128582 0.0 0.257164 8 h after light 0.140613 0.0 0.281226 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.27983349999999996 0.22268 0.336987 12 h after dark 0.0 0.0 0.0