condition	mean	min	max
0 h after light	21.454900000000002	20.5223	22.3875
4 h after light	27.70755	22.4803	32.9348
8 h after light	32.59035	30.4932	34.6875
4 h after dark	31.40755	29.1482	33.6669
8 h after dark	27.6124	26.6735	28.5513
12 h after dark	19.33215	18.2142	20.4501