condition mean min max 3 h after light 129.95566666666667 121.62 139.629 6 h after light 123.59433333333334 108.726 135.639 9 h after light 81.4485 75.3038 84.9367 12 h after light 85.90327500000001 31.4771 229.711 3 h after dark 119.57433333333333 101.381 134.362 6 h after dark 129.504 118.636 147.276 9 h after dark 142.981 123.031 153.14 12 h after dark 261.221 257.8 264.642