condition mean min max 4 h after light 225.9715 190.556 261.387 8 h after light 190.7575 175.443 206.072 12 h after light 181.89350000000002 176.38 187.407 4 h after dark 241.92666666666665 227.483 259.09 8 h after dark 302.095 288.839 313.387 12 h after dark 218.35533333333333 198.053 240.106