condition mean min max 4 h after light 135.498055 134.657616 136.338494 8 h after light 164.3736125 153.524423 175.222802 12 h after light 182.1817945 157.704319 206.65927 4 h after dark 256.332745 202.001288 310.664202 8 h after dark 275.15729250000004 188.199384 362.115201 12 h after dark 167.177846 167.177846 167.177846