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A VERY wet day!

The newspapers are full of reports today about the heavy winter storm that hit Northern California yesterday – January 4th. I think it was one of the wettest days I've seen in the 20+ years I've lived in the Bay Area.

As I've written before, I'm somewhat of a weather geek – so it probably won't come as a surprise that I have my own weather station. We had a lot of rain yesterday – 3.69" in 24 hours.

As I looked at the reports from the weather station software this morning I realized that the standard reports didn't do justice in displaying just how heavy the rain fell – so I extracted the data into Excel and produced the following chart:

This shows the cumulative rain fall for the 24 hours of January 4th – 00:00 to 23:59 PST. As you can see, the bulk of the rain fell from about 7am through 2pm.

The road outside the house was flooded in several places and the small creek that runs alongside the road nearly overflowed its banks. Fortunately our numerous drainage projects over the last few years proved their worth – we stayed dry and fortunately with power all day.

As I write this article, it's raining again…

I'm really curious how this translated into snow in the Sierras – this could be an awesome ski season!


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Intense Brit, lived in Silicon Valley since 1984. Avid pilot, like digital photography, ham radio and a bunch of other stuff. Official Geek.

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