condition mean min max 4 h after light 1.55253 1.44204 1.66302 8 h after light 1.0621200000000002 1.00144 1.1228 12 h after light 2.50665 1.81702 3.19628 4 h after dark 2.183095 1.82192 2.54427 8 h after dark 1.6952150000000001 1.63547 1.75496 12 h after dark 2.204575 1.9479 2.46125