condition mean min max 4 h after light 6.126770333333333 5.613539 6.463386 8 h after light 5.196887 1.516383 9.07676 12 h after light 10.53557 6.761417 15.81226 16 h after light 7.986859666666668 3.4937410000000004 11.34408 4 h after dark 7.9049949999999995 5.960333 10.815999999999999 8 h after dark 5.693022333333333 4.981934 6.221465