condition mean min max 1 h after light 6.6208503284999995 6.091922286 7.149778371 3 h after light 6.622582490666667 6.528428996000001 6.75547286 5 h after light 6.323823993333333 6.130265131 6.569618798 7 h after light 6.651846792333333 6.055039855 7.20158867 9 h after light 7.749772462666667 7.733488699 7.760188307000001 11 h after light 7.489523132333334 6.412749785 8.779523647000001 13 h after light 8.286716092 7.8026212479999995 8.739918457 15 h after light 8.444198022 7.573896747999999 9.980997879 1 h after dark 9.336238559666667 7.90436729 11.258806100000001 3 h after dark 9.204926016 8.490526888 10.302368800000002 5 h after dark 8.874241637 7.649627132000001 10.17690457 7 h after dark 7.337368081666666 5.190064807 9.555932659