condition mean min max 0 h after light 5.863049999999999 5.58047 6.14563 2 h after light 4.719375 4.43376 5.00499 4 h after light 3.823475 3.78012 3.86683 8 h after light 3.950235 3.80898 4.09149 12 h after light 7.7635499999999995 7.47303 8.05407 2 h after dark 7.764695000000001 7.16497 8.36442 4 h after dark 6.234780000000001 6.10336 6.3662 8 h after dark 6.54241 5.98816 7.09666 12 h after dark 5.86466 5.37487 6.35445