condition mean min max 4 h after light 5.079066666666667 4.96371 5.29703 8 h after light 4.887666666666667 4.78249 4.95406 12 h after light 4.902433333333333 4.87121 4.95442 4 h after dark 5.06289 4.93866 5.27233 8 h after dark 4.9603399999999995 4.8510599999999995 5.05965 12 h after dark 4.9277500000000005 4.86254 5.03793