condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0219039 0.0 0.0438078 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.028497833333333333 0.0 0.0854935 12 h after dark 0.029316233333333334 0.0 0.0879487