The main weather station is located on the District's Operations Building, 13057 Hwy 9 Boulder Creek, CA. Our station monitors wind speed & direction, humidity, barometric pressure, yearly & daily rainfall, and temperature. The highs, lows & totals for a 24 hour period are re-set daily at 12:00 a.m. The District records rainfall twelve months a year, however for the purpose of reporting, our rainfall year is from October 1 through September 30.
Below you will find historical rainfall information that was compiled from the District's rainfall archive and a local paper. For the San Lorenzo Valley Water District, the rainfall year is from October 1 - September 30.