condition mean min max 0 h after light 7.732175 7.24862 8.21573 2 h after light 5.446405 4.7574 6.13541 4 h after light 6.137875 5.70261 6.57314 8 h after light 7.209595 7.01355 7.40564 12 h after light 8.651775 8.00356 9.29999 2 h after dark 10.14772 9.48154 10.8139 4 h after dark 10.105599999999999 10.0274 10.1838 8 h after dark 11.5577 10.7776 12.3378 12 h after dark 7.478295 6.73865 8.21794