condition mean min max 4 h after light 6.874727666666667 3.5019910000000003 11.92057 8 h after light 43.84654333333334 33.604490000000006 62.294430000000006 12 h after light 41.60037666666667 32.66028 46.408590000000004 16 h after light 19.78263 12.70608 24.30686 4 h after dark 37.48718 33.69993 41.228790000000004 8 h after dark 19.358616666666666 14.60014 22.37783