condition mean min max 0 h after light 7.843885 7.008 8.67977 2 h after light 5.828115 4.3476 7.30863 4 h after light 0.0 0.0 0.0 8 h after light 3.348705 0.0 6.69741 12 h after light 10.84874 4.35878 17.3387 2 h after dark 10.34527 7.28664 13.4039 4 h after dark 10.664645 8.34239 12.9869 8 h after dark 13.206299999999999 11.7685 14.6441 12 h after dark 9.087900000000001 8.91061 9.26519