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Weather extremes
How extreme does Mill Creek's weather get?
The hottest, coldest, wettest and snowiest days Mill Creek has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Mill Creek has recorded — each shown against what a normal day that time of year looks like.
That is about 28°F hotter than a normal July afternoon in Mill Creek (typical high near 72°F).
The three most extreme on record
About 46°F colder than a normal October night in Mill Creek (typical low near 46°F).
The three most extreme on record
About 63% of a typical December's rain in a single day (Mill Creek averages roughly 4.5 in across the month).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Mill Creek's record heat sits well above even a hot day for the season — July's 100°F is about 28°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Everett (NOAA GHCN station USC00452675), about 13 km from the city centre.