High Temps - Wednesday 38 - Thursday 36 - Friday 38
Normal High Temp - 51
Low Temp Thursday - 21
1894 Record Low - 21
Considering our official Temps are recorded about 100 feet away from a SeaTac Airport runway, that is pretty impressive cold weather.
Just a suggestion: You might use = instead of hyphens in front of your numerals bc hyphens can appear to be minus signs. As in . . .
= 21 or + 21 F.
instead of . . .
- 21
In Montana here, we read minus signs quite often during winter.