condition mean min max 0 h after light 1160.81 1143.13 1178.49 4 h after light 1003.145 1000.28 1006.01 8 h after light 745.2750000000001 707.339 783.211 4 h after dark 1787.71 1686.34 1889.08 8 h after dark 1556.655 1498.6 1614.71 12 h after dark 1215.71 1099.4 1332.02