condition mean min max 3 h after light 2.9321758333333334 1.15483 5.13895 7 h after light 3.0927175 1.80878 5.59214 11 h after light 2.5505808333333335 1.72213 3.74158 2 h after dark 3.4019025 1.53917 6.56317 6 h after dark 2.6747116666666666 1.25848 3.79947 10 h after dark 2.45097 1.48152 3.49737