condition	mean	min	max
4 h after light	23.21525	23.1538	23.2767
8 h after light	19.234949999999998	18.7415	19.7284
12 h after light	20.33735	19.3037	21.371
4 h after dark	22.92935	21.9212	23.9375
8 h after dark	26.81495	26.7901	26.8398
12 h after dark	28.2408	27.6714	28.8102