condition	mean	min	max
4 h after light	12.15708	12.069360000000001	12.301630000000001
8 h after light	11.861483333333334	11.64057	12.09596
12 h after light	11.888863333333333	11.78623	12.01641
4 h after dark	11.696813333333333	11.53791	11.81886
8 h after dark	11.90112	11.880989999999999	11.91816
12 h after dark	12.047713333333332	11.99765	12.1472