condition	mean	min	max
4 h after light	4.28201	4.24699	4.31307
8 h after light	4.299693333333334	4.23807	4.3758300000000006
12 h after light	4.2776266666666665	4.218319999999999	4.372240000000001
4 h after dark	4.35109	4.31515	4.40035
8 h after dark	4.3258399999999995	4.229509999999999	4.3890199999999995
12 h after dark	4.160623333333334	4.13445	4.2116