condition mean min max 4 h after light 670.5248666666666 648.3289 684.5493 8 h after light 522.5568333333333 352.1421 695.3325 12 h after light 400.62760000000003 343.5394 494.3704 16 h after light 837.2097 689.9593 1039.407 4 h after dark 622.0506 578.8384 652.6822 8 h after dark 509.78799999999995 403.7998 590.2411