condition mean min max 2 h after light 1.2002391666666667 0.832082 1.71949 6 h after light 1.579564 0.698274 2.42947 10 h after light 1.5965099999999999 0.93312 2.31878 14 h after light 1.6029866666666668 0.93865 3.05567 18 h after light 1.3485381666666667 0.979509 2.051 2 h after dark 1.34057 0.369054 2.57024