condition	mean	min	max
4 h after light	32786.23555666667	20043.06	42779.66
8 h after light	24501.239999999998	10410.89667	44556.85333
12 h after light	24795.413336666665	20670.65667	29808.25667
1.5 h after dark	42964.15222333333	37104.86	50085.70667
5.5 h after dark	51887.17555666667	46748.26	60476.65667
9.5 h after dark	52549.88333333333	50298.7	56630.40667