condition mean min max 3 h after light 0.822275 0.615398 0.953008 6 h after light 5.4112100000000005 2.71029 6.92983 9 h after light 14.467369999999999 8.85971 20.4376 12 h after light 13.7339155 0.372962 23.4777 3 h after dark 6.863603333333333 5.55066 7.86381 6 h after dark 1.4553966666666667 1.19886 1.84357 9 h after dark 0.5647563333333333 0.398649 0.842531 12 h after dark 0.2546885 0.152695 0.356682