condition	mean	min	max
4 h after light	12.14987	11.962530000000001	12.503
8 h after light	12.454896666666667	12.01598	13.1104
12 h after light	12.617333333333335	12.315010000000001	13.087760000000001
4 h after dark	12.18267	11.79579	12.69538
8 h after dark	11.94425	11.7702	12.06307
12 h after dark	11.452416666666666	11.20715	11.884310000000001