condition mean min max 0 h after light 5.532185 5.06765 5.99672 2 h after light 7.6163799999999995 7.55512 7.67764 4 h after light 5.9035899999999994 5.39407 6.41311 8 h after light 4.5082 4.24702 4.76938 12 h after light 6.853125 6.19546 7.51079 2 h after dark 5.974925 5.96578 5.98407 4 h after dark 5.660945 5.31798 6.00391 8 h after dark 6.183809999999999 5.55552 6.8121 12 h after dark 5.21304 4.66912 5.75696