What caused the record heat in 1900?

Wyoming’s all-time record high temperature of 115 degrees F was set 118 years ago today, on July 12, 1900, in Riverside, Wyoming.

Contrast that with Riverside’s forecast high for today, July 12, 2018, of 79 degrees F.

Thirty-six degrees colder, and we’re wringing our hands over “global warming.”

I wonder how CO2 levels in 1900 compare with today’s CO2 levels.



Thanks to Don Bishop for these links

25 thoughts on “What caused the record heat in 1900?”

  1. Same for the highest recorded temperature ever recorded on earth. On July 10th, 1913 at Greenland Ranch in Death Valley, CA. the temperature peaked at 56.7 degrees Centigrade (134 degrees F).
    It has not been broken after 105 years. Death Valley can be a very hot place in the summer and it seems strange to me that if the world is rapidly warming why this record has not been broken many times here in Death Valley.

  2. It’s allot colder today than that time! We better stock up on food right now before all our crops freeze!

  3. Only one record high has been recorded in the 2000s. That was 6/30/2012 in South Carolina. 11 are from 1936 according to Wikapedia.

  4. Local record high temperatures from the early 20th century and especially the 1930s would have been at least partly caused by deforestation, which was at its worst then in the US. Trees moderate temperature extremes. Since then, reforestation has been occurring across rural America, either deliberate or due to the abandonment of marginal farmland and pasture. In urban areas the “heat island” effect dominates. Very handy if you’re trying to prove a warming trend by citing temperatures in an area that is becoming more urban.

  5. Given that the period 1900 was during the Gleissberg cycle from 1870 to 1945. 1900 to 1903 was on the declining edge of SC13 a cycle similar to SC20 and the much lower Sc24 in solar output, another period of significant cooling, very low levels of EUV, probably periods of Meridional Jet stream activity, coupled with large blocking highs.
    I suggest with solar activity as low as it is now, SAW event – Sudden Atmospheric Warming events were under way with a large Coronial Holes orbiting in the Sun atmosphere once every 28 days. During this period, SAW events featured in significant regional droughts and can be Winter – cold or Spring and Summer warm or hot
    1900 N. Americas events led to a very large blocking High parked over much of Eastern side of North America dragging hot dry air from Mexico rather than the Gulf. Pressure charts should be able to be recreated to confirm such an atmospheric position for the time.
    The same conditions have affected the UK and Western Europe for the last six weeks and we have and are still experiencing one of the best summers for 40 years since 1976 and the end period of SC20. Conversely, on the other side of the blocking high in Central Europe the weather resembles a warm wet spring, with Moscow experiencing snow in early June.
    The worldwide climate is not driven by the lagging indicator CO2 but how much energy, or lack of it, the Sun emits at the blue end of the spectrum.
    Given our star which gives us light and heat in variable quantities is a UV variable star and that UV varies by as much as 16% over a solar cycle, this has profound effects on the Earth’s climate over time. Particularly, as our atmosphere N, O and H2O water vapour absorbs much of it and uses it to drive the air circulation currents in the atmosphere.

  6. July 12th 1900 to July 12th 2018 is 118 years not 127.
    The rest I agree with, when modern temperatures go above records set a hundred or more years ago we may have man made warming

  7. You may want to fix this typo:
    “127 years ago today, on July 12, 1900”
    I think you meant to say 118 years ago.
    Thank You!

  8. Robert, if it was in 1900 it is most likely 118 years ago and not 127 ??

    Wyoming’s all-time record high temperature of 115 degrees F was set 127 years ago today, on July 12, 1900, in Riverside, Wyoming.

    best regards from Switzerland

  9. The warmist ex Met office weather forcaster I dentified another warm summer in the UK 1808. on the declining edge of SC5 the first cycle of the Dalton GSM, around two years before the end of the cycle in virtually the same cycle position as now.
    very low EUV, very likelyn large solar Coronial Holes stimulating large bocking highs via SAW events on a periodic 28 cycle.

    Although Coronial holes and the folowing SAW events in the Northern atmosphere theydo not leave a marker in the proxy records.
    However, they do leave and have left, a record in the weather record since 10th century of long hot drought spring and summer and a reversal of the normal prevailing winds.

  10. South Africa: Snow predicted to fall in parts of KZN (Kwa Zulu Natal) 13.7.2018
    Ladysmith should brace itself for a cold weekend ahead, as snow is predicted for this weekend in KZN.
    According to the Snow Report, snow is predicted to fall in some KwaZulu-Natal areas on Friday evening.
    A significant amount of snow is expected to fall in Lesotho and the Drakensberg in both KZN and the Eastern Cape, starting tonight and going into Saturday.

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