condition	mean	min	max
4 h after light	18.6914	17.7087	19.6741
8 h after light	18.18965	18.1491	18.2302
12 h after light	22.0688	21.1923	22.9453
4 h after dark	28.18105	28.0866	28.2755
8 h after dark	24.847299999999997	24.1408	25.5538
12 h after dark	23.7354	23.0562	24.4146