condition mean min max 4 h after light 2.312555 1.40412 3.22099 8 h after light 2.492215 2.39456 2.58987 12 h after light 2.823055 2.56498 3.08113 4 h after dark 3.32001 2.90704 3.77975 8 h after dark 4.13661 2.93434 5.36881 12 h after dark 3.3135933333333334 2.37938 4.4143