condition mean min max 4 h after light 1002.2846666666666 951.5917 1078.235 8 h after light 1008.5034333333334 617.7743 1384.4520000000002 12 h after light 1347.1849 686.4889999999999 2409.041 16 h after light 1872.1167333333333 892.8372 3515.914 4 h after dark 1107.7741 831.5123 1331.224 8 h after dark 742.3093 713.6919 761.2886