condition mean min max 2 h after light 2.208385 1.08983 4.27553 6 h after light 1.1937280000000001 0.668143 1.67899 10 h after light 2.117239 0.761314 3.58222 14 h after light 1.8479931666666667 0.931889 3.03472 18 h after light 1.8774525 0.595125 2.93742 2 h after dark 2.342093333333333 0.70461 3.07261