condition mean min max 4 h after light 42.8212925 33.152816 52.489769 8 h after light 34.361461 28.972323 39.750599 12 h after light 38.65596 27.894976 49.416944 4 h after dark 33.176906 32.67311 33.680702 8 h after dark 51.671155999999996 37.01722 66.325092 12 h after dark 42.780259 42.780259 42.780259