condition	mean	min	max
4 h after light	58.3602	40.4978	76.2226
8 h after light	31.18515	29.8283	32.542
12 h after light	20.33925	18.5566	22.1219
4 h after dark	31.165300000000002	30.7142	31.6164
8 h after dark	58.1997	53.927	62.4724
12 h after dark	64.67009999999999	61.2321	68.1081