condition	mean	min	max
4 h after light	8.907885	8.7928	9.02297
8 h after light	12.8708	12.8029	12.9387
12 h after light	38.969300000000004	37.1873	40.7513
4 h after dark	46.74055	44.5558	48.9253
8 h after dark	40.5418	40.2428	40.8408
12 h after dark	22.13425	21.2926	22.9759