condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0072177 0.0 0.0144354 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.023464833333333334 0.0 0.0492951 12 h after dark 0.0 0.0 0.0