condition mean min max 4 h after light 1.980375 1.77449 2.18626 8 h after light 2.622085 2.24713 2.99704 12 h after light 4.119835 3.8226 4.41707 4 h after dark 5.695716666666667 4.4598 6.55588 8 h after dark 4.46511 1.80062 7.74119 12 h after dark 2.6954466666666668 1.7816 3.36237