condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.12814833333333334 0.0 0.384445 12 h after light 0.077528 0.0 0.126338 4 h after dark 0.0 0.0 0.0 8 h after dark 0.051691999999999995 0.0 0.155076 12 h after dark 0.19093866666666667 0.0 0.391596