condition mean min max 4 h after light 1294.32 1143.35 1462.946667 8 h after light 1123.347778 1030.606667 1236.126667 12 h after light 1247.8433335666666 925.0266667 1771.086667 1.5 h after dark 1063.28 635.03 1436.986667 5.5 h after dark 903.6477777666666 767.4 1021.41 9.5 h after dark 1075.9044446666667 1005.97 1215.586667