condition	mean	min	max
0 h after light	3.561645	3.34897	3.77432
4 h after light	5.2305600000000005	4.40763	6.05349
8 h after light	17.96035	17.3294	18.5913
4 h after dark	17.5774	13.3461	21.8087
8 h after dark	11.13045	10.6251	11.6358
12 h after dark	4.536935	3.53028	5.54359