condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.13988166666666668 0.0 0.441213 10 h after light 0.142565 0.0 0.447721 14 h after light 0.2650423333333334 0.0 1.13871 18 h after light 0.0 0.0 0.0 2 h after dark 0.19388733333333333 0.0 0.6929