DO TEMPERATURE RECORDS FOR LOCAL CITIES SHOW A WARMING TREND? Let’s look at the three largest local cities with the longest historical temperature records: San Francisco, Sacramento and San Jose. The historical annual average temperature record for San Francisco is shown in Chart 1, Sacramento in Chart 2 and San Jose in Chart 3. These […]
Bob Moore: Are California summer temperatures different?
ARE CALIFORNIA SUMMER TEMPERATURE TRENDS different from the rest of the mainland U.S.? Let’s look at the historical data. The 119-year maximum temperature record for California summers is shown in the first chart, and for U.S. summers in the second. Does the California record “agree” with the U.S. (year by year) over the 119-year period? […]
Are U.S. summers getting hotter?
THE LOUD AND ANGRY FOLKS continue to shout that rapidly increasing temperatures mean “We’re doomed!” But what do the facts show for the U.S.? Let’s look at U.S. summer temperatures for the last 119 years, 1895 through 2013. Why look at the summer temperatures? Well, if it has been getting hotter and hotter over the […]
California warming — what does the data show?
WHY DO I CARE WHETHER CALIFORNIA IS WARMING? Well there is a group of very loud and angry people yelling that we are all going to die of heat stroke. If that is true, I plan to move to Alaska. But before I take such a drastic step, I would like to know if there […]
Global warming — facts, not attacks, please
A POLITICAL BATTLE IS RAGING ACROSS THE U.S., indeed across the world, over “global warming.” Unfortunately most of this debate consists of folks calling each other names — without any recourse to facts. Are there any facts available to help judge this debate? For example, what does the United States Historical Climate Network (USHCN) temperature […]