condition mean min max 3 h after light 0.0818236 0.0 0.145682 6 h after light 0.020430833333333332 0.0 0.0612925 9 h after light 0.0 0.0 0.0 12 h after light 0.0315503 0.0 0.067982 3 h after dark 0.11290666666666667 0.0 0.188703 6 h after dark 0.100575 0.0 0.194399 9 h after dark 0.08667716666666667 0.0 0.204929 12 h after dark 0.0742805 0.0 0.148561