condition mean min max 3 h after light 226.9 217.329 233.071 6 h after light 253.772 205.536 300.303 9 h after light 325.00333333333333 278.12 380.347 12 h after light 359.95 317.692 415.69 3 h after dark 480.457 454.151 530.115 6 h after dark 514.5276666666666 509.168 524.266 9 h after dark 417.315 403.982 440.22 12 h after dark 288.185 265.844 310.526