condition	mean	min	max
4 h after light	24.8988	24.2347	25.5629
8 h after light	16.4719	15.9229	17.0209
12 h after light	17.33755	16.0734	18.6017
4 h after dark	21.9316	20.8935	22.9697
8 h after dark	21.80455	21.3545	22.2546
12 h after dark	27.1225	26.5159	27.7291