condition	mean	min	max
4 h after light	14.73655	13.2319	16.2412
8 h after light	11.3147	11.0426	11.5868
12 h after light	13.076550000000001	12.2449	13.9082
4 h after dark	17.105933333333333	15.255	19.1828
8 h after dark	24.550733333333334	21.1944	28.9484
12 h after dark	17.499833333333335	15.833	18.8102