condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.01081835 0.0 0.0216367 4 h after dark 0.025934466666666666 0.0 0.047712 8 h after dark 0.0 0.0 0.0 12 h after dark 0.004389333333333333 0.0 0.013168