condition mean min max 4 h after light 568.690117 477.607636 659.772598 8 h after light 106.6249115 29.239126 184.010697 12 h after light 56.086289 15.186307 96.986271 4 h after dark 12.0912405 9.946351 14.23613 8 h after dark 10.7527925 9.700542 11.805043 12 h after dark 1223.151334 1223.151334 1223.151334