condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.025766499999999998 0.0 0.0772995 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0187223 0.0 0.0561669 12 h after dark 0.0 0.0 0.0