condition mean min max 3 h after light 2.87818 2.10569 3.88493 6 h after light 4.1631366666666665 3.03958 5.63112 9 h after light 13.063333333333334 10.5383 16.6977 12 h after light 19.699655 8.59442 24.7186 3 h after dark 29.714299999999998 27.1249 32.4657 6 h after dark 25.771366666666665 23.1443 28.5403 9 h after dark 16.1011 14.647 17.4641 12 h after dark 6.420999999999999 5.23966 7.60234