condition mean min max 3 h after light 0.139533 0.0 0.22783 6 h after light 0.0 0.0 0.0 9 h after light 0.11827133333333334 0.0 0.354814 12 h after light 0.16058066666666668 0.0 0.3251 3 h after dark 0.10144433333333334 0.0 0.172911 6 h after dark 0.08683233333333333 0.0 0.137369 9 h after dark 0.0 0.0 0.0 12 h after dark 0.11403600000000001 0.0 0.342108