condition mean min max 0 h after light 5.2728649999999995 5.07288 5.47285 4 h after light 9.87549 9.8108 9.94018 8 h after light 7.32518 6.15694 8.49342 4 h after dark 6.045995 5.00191 7.09008 8 h after dark 5.89003 4.804 6.97606 12 h after dark 6.552709999999999 6.48056 6.62486