condition mean min max 0 h after light 13.26315 12.5591 13.9672 2 h after light 8.07257 7.43448 8.71066 4 h after light 10.101575 9.18225 11.0209 8 h after light 8.733785000000001 8.27586 9.19171 12 h after light 9.488935 9.17367 9.8042 2 h after dark 10.66395 10.5522 10.7757 4 h after dark 11.558800000000002 10.8489 12.2687 8 h after dark 15.3144 14.664 15.9648 12 h after dark 13.88455 11.4396 16.3295