condition	mean	min	max
0 h after light	0.02501105	0.0	0.0500221
4 h after light	0.0	0.0	0.0
8 h after light	0.01235025	0.0	0.0247005
4 h after dark	0.01226015	0.0	0.0245203
8 h after dark	0.01229445	0.0	0.0245889
12 h after dark	0.01219495	0.0	0.0243899