Analysis Of 7 California Stations Shows No Precipitation Trend Change

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By Kirye

and P. Gosselin

We often hear how the climate is changing everywhere, like in California.

Listening to the media we get the impression that the Golden State is drying out and risks burning up, before heavy rains hit. Others claim the state is facing “weather whiplash” because climate change will make the weather more extreme and volatile.

Today we take a look at the precipitation data of 7 stations spread across the state to see what changes have been happening. Used here are the data from the Japan Meteorology Agency (JMA) that cover the last 33 years.

Data: JMA.

As we can see, there has been no trend over the past 30 years. Variability also appears unchanged. California has always been a state characterized by alternating periods of drought and rainfall influenced by oceanic cycles like ENSO. The data show everything is within the normal range.

The real trend is the massive increase in media climate ambulance chasing where every anomaly gets hyped into something much more than it really is.

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10 responses to “Analysis Of 7 California Stations Shows No Precipitation Trend Change”

  1. Ron Clutz

    Here’s the whole US since 1895, courtesy of NOAA. No apparent trend in drought or flooding.
    https://i0.wp.com/edberry.com/SiteDocs/Christy11.jpg

    1. Yonason

      I can’t spot the Dust Bowl in that data. I prefer the Palmer Drought Index.
      https://realclimatescience.com/2015/11/a-drought-of-steinbeck/

      There it seems a lot clearer to me.

  2. John F. Hultquist

    Eureka is both north and west of San Diego. It is the north distance just over 900 km. of importance for climate. It rains more up there.
    Eureka is at 40.8° N. while San Diego is at 32.7°N.

    1998 was a serious El Niño year for California. The Fresno airport spiked that year (if I’m reading the chart correctly), but has a low average.

  3. don from OZ

    Similar stories abound here in Australia.
    We are damned if we do and damned if we don’t

  4. sasquatch

    The bristlecone pine tree ‘Methuselah’ is 4800+ years old, the Redwoods grow to be 2000+ years old, they have been around before then, for sure, so California’s climate has been stable from at least 3000 BCE to now.

    The coastal redwoods drink the morning mist arriving from the Pacific Ocean. Incredibly big trees, I stood on the stump of a redwood that was easily sixteen feet in diameter.

    Here’s how climate change happens in a New York minute:

    Chicxulub impact

    “The site, situated in the continental Hell Creek Formation in southwestern North Dakota (Fig. 1), displays inland directed flow indicators and holds a mixture of Late Cretaceous marine and continental biota, implying that its emplacement is related to sudden onshore inundation surges. A suite of ejecta
    types, including ejecta spherules preserved within the deposit sediments (captured by the gills of fish entombed within the deposit and preserved as unaltered glassy spherules embedded in amber), indicate that deposition occurred shortly after a major bolide impact. Unaltered impact-melt glass exhibits a clear geochemical and geochronological link with the Chicxulub impact. A well-defined cap of iridium-bearing, fine-grained impactite tonstein directly overlying the deposit provides a well-constrained chronology—that is, after impact but before the finest ejecta settled—that can provide a detailed record of conditions shortly after the impact.”

    The study was published a few days ago on April 1st.

    What you call catastrophic astrogenic climate change, add in catastrophic astrogenic planet change to boot.

  5. Sean

    Do you have JMA data that goes back at least 60 years? Given California’s sensitivity to the 60 year PDO I think you want a complete cycle (or two). California like Australia has a feast or famine climate when it comes to precipitation. But it has a regularity that allow infrastructure to be built to balance floods and droughts. What’s different is the politics where infrastructure restrictions are being used prevent development resulting in exorbitant rents and housing costs. The new governor had to declare a state of emergency just so they could do forest maintenance and management that had been routine up to the 1990’s. It only took nearly a hundred fatalities in a single fire to cut through the regulatory thicket, promoted by environmentalists and anti development advocates. The lack of pushback on the emergency declaration suggests people realize restrictions have gone too far.

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