condition	mean	min	max
4 h after light	21.89835	17.9578	25.8389
8 h after light	13.53675	12.2647	14.8088
12 h after light	16.44095	16.3066	16.5753
4 h after dark	24.019233333333336	22.9383	25.2907
8 h after dark	28.3234	27.186	29.1434
12 h after dark	25.4786	22.2917	27.1678