condition mean min max 0 h after light 11.18596 9.96252 12.4094 2 h after light 16.77185 15.701 17.8427 4 h after light 17.536250000000003 17.0162 18.0563 8 h after light 22.97265 20.8607 25.0846 12 h after light 13.6097 12.7917 14.4277 2 h after dark 9.062075 8.69205 9.4321 4 h after dark 10.9921 8.9315 13.0527 8 h after dark 10.8461 10.2218 11.4704 12 h after dark 13.0155 12.9151 13.1159