condition	mean	min	max
1 h after light	18.02196705	17.355404500000002	18.6885296
3 h after light	18.71229133	17.62518107	19.38127358
5 h after light	17.34110282	15.47881306	20.40563414
7 h after light	18.728594903333335	18.24500382	19.54716925
9 h after light	18.876633046666665	16.56201263	21.99202136
11 h after light	18.52400866	18.24758598	18.72228098
13 h after light	24.11052704333333	19.93370392	29.45559126
15 h after light	23.27744679	21.48113819	25.27103718
1 h after dark	21.84683616	20.95181798	22.69972145
3 h after dark	20.97878297	19.49763855	23.64261558
5 h after dark	19.934160066666667	16.88584359	22.49312263
7 h after dark	16.9631936	15.01411605	20.7920293