condition mean min max 4 h after light 1192.4933333333333 1094.296 1268.035 8 h after light 1877.249 1314.6789999999999 2237.447 12 h after light 976.0041333333332 685.5614 1371.0079999999998 16 h after light 1574.3580000000002 1351.162 1810.46 4 h after dark 1377.4443333333334 1342.796 1403.885 8 h after dark 1066.5270666666665 924.3882 1199.252