condition mean min max 4 h after light 916.7402 869.8314 945.0493 8 h after light 1467.3453333333332 1291.655 1656.273 12 h after light 894.7749333333334 698.1019 1114.979 16 h after light 1089.1162 880.9276 1374.795 4 h after dark 1260.4983333333334 1154.1860000000001 1380.517 8 h after dark 771.923 641.8573 880.8341