condition mean min max 4 h after light 274.5 274.5 274.5 8 h after light 262.55 228.4 296.7 12 h after light 341.79999999999995 337.2 346.4 4 h after dark 265.5 255.5 275.5 8 h after dark 240.45000000000002 180.8 300.1 12 h after dark 180.55 180.2 180.9