condition	mean	min	max
4 h after light	30.92415	29.6256	32.2227
8 h after light	21.2531	20.5038	22.0024
12 h after light	20.72045	20.0655	21.3754
4 h after dark	25.8027	25.2848	26.3206
8 h after dark	29.50505	28.3912	30.6189
12 h after dark	34.4251	33.6009	35.2493