Saturday, May 01, 2021

April Summary And May Outlook

Cirrus over the Catalinas on this first day of May.

April had very little for me to summarize. There was measurable rain here on only one day, and the total was a measly 0.02". In my 21 years of record here that comes in as the sixth driest April. There was also a rumble of thunder on the day when it rained (the 27th). April fourth had a record high of 96 F, and I had to turn on the cooling systems a bit early.

Above graph shows monthly average precipitation for Tucson - note that May is the driest moth of the year, with April, May, and June all averaging less than 0.20".

The outlooks for May indicate that our serious drought will continue. Above shows the May outlook from the Climate Prediction Center of the NWS - hot and dry. Below is the 15 day precipitation forecast from the 06 UTC run of the GFS last night. And so it goes.

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