br>(69.8)</td>
<td>12.9<br>(55.2)</td>
<td>40.0<br>(104)</td>
</tr>
<tr>
<td>Average high °C (°F)</td>
<td>−8.5<br>(16.7)</td>
<td>−6.2<br>(20.8)</td>
<td>1.6<br>(34.9)</td>
<td>11.6<br>(52.9)</td>
<td>18.1<br>(64.6)</td>
<td>22.1<br>(71.8)</td>
<td>25.2<br>(77.4)</td>
<td>24.6<br>(76.3)</td>
<td>18.6<br>(65.5)</td>
<td>10.8<br>(51.4)</td>
<td>−0.2<br>(31.6)</td>
<td>−6.6<br>(20.1)</td>
<td>9.3<br>(48.7)</td>
</tr>
<tr>
<td>Daily mean °C (°F)</td>
<td>−14.5<br>(5.9)</td>
<td>−11.6<br>(11.1)<