condition mean min max 4 h after light 387.4 387.4 387.4 8 h after light 492.2 330.6 653.8 12 h after light 348.0 246.0 450.0 4 h after dark 422.35 302.0 542.7 8 h after dark 590.8 558.8 622.8 12 h after dark 644.1500000000001 610.1 678.2