condition	mean	min	max
4 h after light	25.39875	20.0581	30.7394
8 h after light	15.7324	14.0319	17.4329
12 h after light	31.833600000000004	29.3255	34.3417
4 h after dark	52.80133333333333	51.4394	53.8221
8 h after dark	51.90043333333333	49.7111	53.4964
12 h after dark	32.733333333333334	30.2558	34.1059