condition mean min max 3 h after light 1.3529135 0.648198 1.76649 7 h after light 1.2470193333333333 0.807126 1.95541 11 h after light 1.0747188333333333 0.6007 1.80857 2 h after dark 1.4193955 0.627438 2.22142 6 h after dark 1.6265825 0.496284 2.68129 10 h after dark 1.24604875 0.464761 1.97841