Storms in this area can be very local. For example, it can be pouring down in Bigastro and dry in Jacarilla.
Last night, we had a downpour that lasted half an hour, no more. The total rain from that was 5mm. Further up the coast though in Alcoy, it rained pretty much all night peaking this morning at 8 am. In Pinosa, there was over 28mm of rain in half an hour and Alicante had similar amount of rain but over a four hour period.