condition mean min max 0 h after light 0.18577064999999998 0.0927613 0.27878 4 h after light 0.42073699999999997 0.274373 0.567101 8 h after light 1.16175 1.03868 1.28482 4 h after dark 0.775639 0.640244 0.911034 8 h after dark 0.595369 0.368513 0.822225 12 h after dark 0.229574 0.181238 0.27791