condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0795032 0.0 0.157555 9 h after light 0.24156033333333335 0.21802 0.266085 12 h after light 0.26169875 0.0 0.450858 3 h after dark 0.2693815333333333 0.0921126 0.368433 6 h after dark 0.11016803333333333 0.0 0.238727 9 h after dark 0.022555833333333334 0.0 0.0676675 12 h after dark 0.0 0.0 0.0