condition mean min max 2 h after light 0.7003465 0.487288 1.37278 6 h after light 0.47631966666666664 0.201352 0.81203 10 h after light 0.592666 0.171828 1.02353 14 h after light 0.6534438333333333 0.19624 0.824499 18 h after light 0.687736 0.224873 1.12392 2 h after dark 0.7795508333333333 0.465458 1.20448