condition mean min max 4 h after light 278.5 278.5 278.5 8 h after light 196.0 192.9 199.1 12 h after light 201.55 192.4 210.7 4 h after dark 255.89999999999998 239.9 271.9 8 h after dark 296.95 295.9 298.0 12 h after dark 291.35 284.6 298.1