condition mean min max 4 h after light 9.5780405 9.151646 10.004435 8 h after light 11.032948000000001 9.697627 12.368269 12 h after light 10.3090835 10.189553 10.428614 4 h after dark 11.2299615 10.428614 12.031309 8 h after dark 12.976243 12.917577 13.034909 12 h after dark 11.074471 11.074471 11.074471