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On average, there are 111 days annually with a high of at least 100 °F (38 °C), including most days from the end of May through late September. Highs top 110 °F (43 °C) an average of 21 days during the year. [6] On June 26, 1990, the temperature reached an all-time recorded high of 122 °F (50 °C). [7]
Global average temperature, atmospheric CO 2, and sunspot activity since 1850. Thick lines for temperature and sunspots represent a 25 year moving average smoothing of the raw data. This figure was produced by Leland McInnes using python and matplotlib and is licensed under the GFDL. All data is from publicly available sources.
English: The Aztec sun calendar is a circular stone with pictures representing how the Aztecs measured days, months, and cosmic cycles. Español: El calendario solar Azteca es una piedra circular con figuras que representan cómo los Aztecas representaban los días, meses y ciclos cósmicos.
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
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Weather pattern of the North American monsoon Typical precipitation pattern of the North American monsoon (green arrow). The North American monsoon is a complex weather process that brings moisture from the Gulf of California (and to lesser extent the eastern Pacific and Gulf of Mexico) over northwestern Mexico and southwestern US resulting in summer thunderstorms, especially at higher elevations.
Arizona is especially vulnerable to such strains due to its hot and arid climate". [7] "Increasing droughts and higher temperatures are likely to affect Arizona's top agricultural products: cattle, dairy, and vegetables. Hot temperatures threaten cows’ health and cause them to eat less, grow more slowly, and produce less milk.