condition	mean	min	max
4 h after light	22.092399999999998	19.5271	24.6577
8 h after light	18.189799999999998	17.6941	18.6855
12 h after light	19.5684	18.9299	20.2069
4 h after dark	27.902466666666665	26.7541	29.2364
8 h after dark	31.080233333333332	30.3965	32.3819
12 h after dark	27.058333333333334	24.7259	31.079