condition	mean	min	max
4 h after light	27.52865	25.8345	29.2228
8 h after light	23.07085	21.5248	24.6169
12 h after light	32.1459	29.619	34.6728
4 h after dark	44.277	39.0425	47.2092
8 h after dark	40.8112	37.6946	42.7902
12 h after dark	37.11436666666667	33.4962	39.184