condition mean min max 4 h after light 108.941056 106.172728 111.709384 8 h after light 122.7330565 110.849441 134.616672 12 h after light 156.4407765 128.898029 183.983524 4 h after dark 196.1096005 146.689436 245.529765 8 h after dark 191.919021 173.916603 209.921439 12 h after dark 104.748679 104.748679 104.748679