condition mean min max 3 h after light 4.079986666666667 2.57896 5.66734 6 h after light 6.71087 4.84611 9.24242 9 h after light 13.340933333333334 11.3091 14.9442 12 h after light 15.429665 1.76026 21.9072 3 h after dark 5.931453333333334 5.08051 6.96142 6 h after dark 2.7023533333333334 2.15143 3.39969 9 h after dark 1.467188 0.986514 2.12507 12 h after dark 1.283015 1.05214 1.51389