condition mean min max 4 h after light 349.131522 346.246323 352.016721 8 h after light 320.536147 286.463514 354.60878 12 h after light 307.91359750000004 272.598211 343.228984 4 h after dark 311.128469 291.479865 330.777073 8 h after dark 418.222709 411.136438 425.30898 12 h after dark 290.847441 290.847441 290.847441