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It's the official opening day of boating season. Huge event with hundreds of boats all tied to a big log boom they put out in Lake Washington for it. They do the same thing for Seafair.

Almost had a freeze this morning with a low of 33.

Here in Chester County PA we finished April with an overall average temperature of 53.8 about 2.0 degrees above the long term 132 year average. The warmest spot was as is usually the case Phoenixville as the lowest observation spot in the county at 54.9 degrees. The coolest was the 53.0 in Warwick Township. Overall this was our 28th warmest April on record across 132 years of observation data. Of note 13 of the top 20 warmest Aprils occurred prior to 1990. While 3 of the coldest Aprils have all occurred just since 2007. Below is a graph analyzing the April temp trends (actual in blue) since 1893. I have also as always overlaid the NCEI adjusted temps (in red). As we can see they again consistently applied chilling adjustments to cool the data for every year over 110 consecutive years from 1895 thru 2005. Of interest since 2005 they have now begun to apply warming adjustments to the actual data in 12 of the last 18 years. The appropriate trend lines reflect the clear impact these post hoc adjustments have made to the warming trend lines.

Indeed. Nice to see something different than deep blue over the PNW at the 500mb level.

Things are greener every day right now because that's the way works at this time of year. Things will get greener and trees will get fuller even faster when the warmer days arrive next week. It's not like the warmer days will slow things down... just the opposite in May. You are making it sound like the end of summer when the grass is brown and we get finally get rain.

Looks like the sun might be coming out now, but marine layer may also be playing tricks on us. Even deeper garbage is expected tomorrow.

Don't expect the sunny days to last long

Low was 42F, besides some patchy dense fog, the marine layer has been very lacking, just lots of wind and sunshine here

No they don't. It's really simple: I don't want the government telling me what I can or can't say unless I am an imminent/direct threat to others. Period. That's why we have the ACLU. What the Hell? I thought righties were the party of free speech and "Don't Tread On Me" flags!!! This is not exactly helping with the whole Israel having power over politicians "trope". Does anyone think Mr. Free Speech Bill Maher is going to do a segment on this? Place your bets...

I love the very high sun angle this time of year, makes everything look so vibrant

It's the most miserable month of the year in California.

Things look much greener today after the rain and cooler weather over the last week. Let's keep it going before more ridging shows up in around a week.

Eh, it's just been bad timing recently. Most of the first 10 days in May last year were dry/warm, same thing for 2021, 2020, and 2019.

Meaning? Even if you don't get a ton of rain this weekend, models show enough over the next week that most locations should be close to normal in western WA for precip for the spring. And temps have been very close to normal. Also, I said "most balanced for the region", not perfectly balanced for your backyard. If you can think of a spring since 2013 that has been more balanced for the region overall in terms of precip/temps, I'd love to hear it. Most have been stuck in lengthy, stagnant warm/dry or wet/cool patterns.

Tim when the first warm EPS run shows up during a cool pattern in the PNW

What a relief. Almost had a stroke. Thank god you posted it three different ways and times.

EPS is really nice in terms of a pattern change coming.

12Z control run also in agreement so getting consistency now.

Was very hard to leave Orondo this morning…Was absolutely perfect. Not too shabby at home though! Hopefully the mice stay out of the boat for the few weeks before I get it in the water for the season.

12Z EPS shows a strong signal for warmth in the PNW and chilly weather across the central and eastern US next weekend.

I know the opening day is just a ceremonial thing but the first weekend in May is notoriously chilly and wet. They should allow for rescheduling based on weather or just move it to mid May when the odds of nicer weather improve.

Yes... there is a law. Hopefully Mother's Day weekend will be better for boating.

Is there some sort of law saying people need to get on their boats that day? We’ve had nothing but long, warm summers lately so I’m sure there will be plenty more opportunities.

Luckily my friends' boats I'll be on have large indoor areas, but there are definitely going to be a lot of unhappy, uncomfortable people out on the water that day. This will be my third opening day I've been too and it's been chilly and cloudy every time.

Disgusting. ECMWF shows 50 in Seattle that day so a little warmer but still stupid cold and definitely not a boating day. Good news is that the rest of ECMWF run is beautiful so much warmer weather is ahead finally!