condition mean min max 4 h after light 0.8471739999999999 0.614238 1.08011 8 h after light 1.6179235 0.854377 2.38147 12 h after light 1.397195 1.37442 1.41997 4 h after dark 2.28829 1.55211 2.81391 8 h after dark 2.07073 1.19924 3.71315 12 h after dark 0.657084 0.396529 0.905538