condition mean min max 0 h after light 11.271650000000001 10.771 11.7723 2 h after light 1.9314050000000003 1.64735 2.21546 4 h after light 2.93977 2.17212 3.70742 8 h after light 3.3899150000000002 3.31161 3.46822 12 h after light 3.86464 3.84804 3.88124 2 h after dark 9.478 8.375 10.581 4 h after dark 10.87984 9.43168 12.328 8 h after dark 15.8875 13.2247 18.5503 12 h after dark 16.70985 13.0773 20.3424