condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.2829879 0.0 0.750083 12 h after light 0.14136993333333334 0.0690978 0.246495 4 h after dark 0.08623633333333333 0.0 0.135982 8 h after dark 0.0982439 0.0 0.20171 12 h after dark 0.06945766666666667 0.0 0.106502