condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.0186097 0.0 0.133245 11 h after light 0.014918625 0.0 0.127958 2 h after dark 0.015268358333333332 0.0 0.0932228 6 h after dark 0.0 0.0 0.0 10 h after dark 0.019495541666666668 0.0 0.139848