condition mean min max 0 h after light 2.48841 2.08289 2.89393 2 h after light 1.507517 0.852344 2.16269 4 h after light 1.2429815 0.514433 1.97153 8 h after light 1.20313 1.20116 1.2051 12 h after light 3.009265 2.31357 3.70496 2 h after dark 2.69132 2.50101 2.88163 4 h after dark 3.703995 3.13709 4.2709 8 h after dark 4.711685 4.50027 4.9231 12 h after dark 4.42155 3.68806 5.15504