condition mean min max 3 h after light 3.4956135 0.172512 16.9795 7 h after light 1.8426645833333333 0.138068 7.93845 11 h after light 1.67781075 0.111398 4.84523 2 h after dark 2.5961512416666666 0.0782079 6.86837 6 h after dark 2.378503333333333 0.14104 6.56046 10 h after dark 3.286243 0.0 20.5288