td style="background:#BBBBFF;color:#000000;font-size:85%;text-align:center;">−8<br />
(18)</td>
<td style="background:#ABABFF;color:#000000;font-size:85%;text-align:center;">−11<br />
(12)</td>
<td style="background:#CECEFF;color:#000000;font-size:85%;text-align:center; border-left-width:medium">−4.5<br />
(23.9)</td>
</tr>
<tr>
<th height="16">Average low °C (°F)</th>
<td style="background:#8A8AFF;color:#000000;font-size:85%;text-align:center;">−17<br />
(1)</td>
<td style="background:#8585FF;col