condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.018660766666666665 0.0 0.0559823 12 h after light 0.012264766666666668 0.0 0.0367943 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0178362 0.0 0.0535086