condition mean min max 2 h after light 7.159721666666666 5.71598 7.72647 6 h after light 4.8097900000000005 3.286 5.80806 10 h after light 5.231691666666666 4.19904 7.62888 14 h after light 5.82076 4.61231 7.69467 18 h after light 6.934395 4.36589 9.27835 2 h after dark 5.760928333333333 5.00738 6.78722