condition mean min max 3 h after light 6.8384275 4.0316 11.696 7 h after light 6.63535 3.57593 9.95886 11 h after light 7.311341666666666 4.96768 9.28968 2 h after dark 7.332270833333333 3.39984 10.5966 6 h after dark 7.076840833333334 4.1092 10.2215 10 h after dark 7.049136666666667 3.80103 11.4178