condition mean min max 4 h after light 0.03471035 0.0 0.0694207 8 h after light 0.056896749999999996 0.0505421 0.0632514 12 h after light 0.01842735 0.0 0.0368547 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03598163333333333 0.0 0.0617194 12 h after dark 0.0 0.0 0.0