condition mean min max 3 h after light 3579.0366666666664 3193.1 3788.68 6 h after light 1020.018 893.294 1121.07 9 h after light 341.86633333333333 319.5 365.599 12 h after light 555.4254999999999 286.162 1285.06 3 h after dark 416.28433333333334 393.294 444.517 6 h after dark 732.955 690.64 766.207 9 h after dark 1664.51 1504.36 1797.14 12 h after dark 1432.42 1183.35 1681.49