condition mean min max 4 h after light 543.1731333333333 508.5429 562.4865 8 h after light 506.99983333333336 372.5269 624.1218 12 h after light 459.38 408.4667 543.51 16 h after light 473.4952 367.1616 639.1605 4 h after dark 554.5402333333334 496.55800000000005 636.9602 8 h after dark 376.6579 295.2199 459.4862