condition	mean	min	max
4 h after light	3383.005	3185.816667	3728.235
8 h after light	2528.8905556666664	2180.72	2934.515
12 h after light	2342.7	1781.71	3177.813333
1.5 h after dark	3784.138889	3089.743333	4611.716667
5.5 h after dark	3381.8933333333334	2070.676667	4668.94
9.5 h after dark	4158.115555666667	3121.74	5461.286667