condition	mean	min	max
4 h after light	21.032	17.661	24.403
8 h after light	28.9849	28.7908	29.179
12 h after light	40.78445	39.8816	41.6873
4 h after dark	35.2163	34.8135	35.8131
8 h after dark	34.7531	33.5915	35.9522
12 h after dark	25.498933333333333	25.3329	25.7041