condition mean min max 0 h after light 6591.9349999999995 6372.73 6811.14 2 h after light 6884.48 6784.31 6984.65 4 h after light 6537.0599999999995 6255.72 6818.4 8 h after light 6888.375 6440.17 7336.58 12 h after light 6318.530000000001 6235.21 6401.85 2 h after dark 6443.295 6220.41 6666.18 4 h after dark 6706.77 6590.17 6823.37 8 h after dark 5153.355 5040.82 5265.89 12 h after dark 6088.325 6071.91 6104.74