condition	mean	min	max
4 h after light	2.33207	2.20481	2.45933
8 h after light	2.115995	1.80248	2.42951
12 h after light	1.95927	1.78387	2.13467
4 h after dark	3.3155349999999997	3.14201	3.48906
8 h after dark	3.528365	3.4476	3.60913
12 h after dark	2.95697	2.79836	3.11558