condition mean min max 4 h after light 4.461133333333334 3.27433 5.3761 8 h after light 4.946676666666667 1.56445 8.637 12 h after light 3.9920899999999997 3.75969 4.27835 4 h after dark 9.03174 6.23234 10.9754 8 h after dark 5.431909999999999 4.51085 6.05169 12 h after dark 4.52999 3.89434 5.14186