condition mean min max 4 h after light 2.00274 1.98271 2.02277 8 h after light 3.0233100000000004 2.96958 3.07704 12 h after light 3.402075 2.73563 4.06852 4 h after dark 5.62493 4.72876 6.5211 8 h after dark 5.988295 5.88223 6.09436 12 h after dark 4.0967199999999995 3.97985 4.21359