condition mean min max 0 h after light 5.86695 0.0 11.7339 4 h after light 14.111550000000001 12.7962 15.4269 8 h after light 0.0 0.0 0.0 4 h after dark 20.6131 10.7966 30.4296 8 h after dark 17.38325 14.5124 20.2541 12 h after dark 20.81105 10.981 30.6411