condition mean min max 4 h after light 472.3184165 460.045284 484.591549 8 h after light 597.4637125 564.368098 630.559327 12 h after light 505.95155149999994 453.570411 558.332692 4 h after dark 527.4280375000001 490.617254 564.238821 8 h after dark 439.80132000000003 404.139814 475.462826 12 h after dark 359.232057 359.232057 359.232057