condition	mean	min	max
1 h after light	21.044159495000002	20.072664800000002	22.01565419
3 h after light	17.93169017	15.59345991	20.24843086
5 h after light	18.428296026666665	17.97377056	18.76322945
7 h after light	19.13538482	16.93789907	21.30688553
9 h after light	19.529628823333333	18.75165106	20.35864194
11 h after light	17.570207876666668	16.51593557	18.87289266
13 h after light	19.60218941	17.82642665	20.88782904
15 h after light	20.880425866666666	19.587664	22.43954842
1 h after dark	19.722923396666665	18.79053051	20.47028452
3 h after dark	19.77840866	19.3058585	20.61336474
5 h after dark	18.704256169999997	18.053549899999997	19.77570273
7 h after dark	19.2185023	17.37744913	20.63451393