condition mean min max 4 h after light 815.1576005000001 434.015803 1196.299398 8 h after light 608.917504 455.179382 762.655626 12 h after light 535.9331924999999 518.041757 553.824628 4 h after dark 353.6409615 292.667651 414.614272 8 h after dark 325.57666600000005 307.917931 343.235401 12 h after dark 383.219596 383.219596 383.219596