condition	mean	min	max
4 h after light	1910.4	1910.4	1910.4
8 h after light	1815.25	1693.9	1936.6
12 h after light	1943.9499999999998	1841.6	2046.3
4 h after dark	2138.3	1956.7	2319.9
8 h after dark	2116.35	2092.0	2140.7
12 h after dark	1910.5	1835.6	1985.4