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Some Hot Factoids About Triple Digit Temperatures (100 F / 37.7777C *) in El Paso, Texas David Hefner / Climate Focal Point / WFO El Paso From 1887 through 2024, the Maximum Temperature Has Reached 100 Degrees F or Higher 2,193 Times. Since 1887, El Paso has averaged 16 Days of Triple Digits Per Year. * From 1991-2020 (current 30-year climate period), El Paso averaged 26 Days of Triple Digits Per Year. * The record for most Triple Digit Days in a year was 70 in 2023. Since 1879, No Year Has Gone Without at Least One Triple Digit Occurrence. The Following Years Saw Only One Occurrence of Triple Digits:
The hottest temperature ever recorded in El Paso was 114 F on June 30, 1994. The most consecutive triple digit days was 44 days from June 16 - July 29, 2023. The earliest occurrence of triple digits was on May 7, 2020. The latest start time of triple digits was on September 2, 1899. The latest occurrence of triple digits was on September 27, 2024. The average start date for Triple Digits is June 12. The average end date for Triple Digits is August 3. ------- MONTHLY DISTRIBUTION OF TRIPLE DIGITS
Note the asymmetric distribution about July centered on June. June is the month with the highest solar angles and longer days but July through mid September host the rainy season in El Paso (the monsoon shift of the prevailing west winds to the east) in which around 50% of the annual precipitation falls...skewing the temperature curve. ------- Synoptic Consideration: Triple digits are most likely, especially in runs of consecutive days when subtropical high pressure aloft (associated with subsidence-downward motion in the atmosphere which in turn warm the atmosphere and suppresses cloud and thunderstorm development) positions itself near/over New Mexico rather than to the east of New Mexico (which is favorable for moisture input). ----- FREQUENCY DISTRIBUTION OF THE TEMPERATURES THEMSELVES
77.5% OF THE TRIPLE DIGITS ARE <= 103 F The Probability Density Function of the Triple Digits Can Be Represented by an Exponential Decay Function of the Form: P(T) = A*e(B/T) Where T = Temperature in Deg F; A = 2.433*10(-18); e=2.71; B=44.01.735 ---------- HIGHEST TEMPERATURE BY MONTH
------------------- Most Likely Time to Encounter Triple Digits: Every day between June 18 and July 1 historically has a 27-38% chance of reaching triple digits. Percentages drop to 25% or below outside that date range. June 28 Has Seen the Most Days (53) with Triple Digits since 1887. ----------------- **Note that temps from 1879-1886 Show High Bias Due to Shelter Location** TOTAL NUMBER OF TRIPLE DIGITS BY MONTH
Record for most triple digits in May was 5 in 1951 and 2005. Record for most triple digits in June was 25 in 1980. Record for most triple digits in July was 30 in 2023. Record for most triple digits in August was 20 in 2020. Record for most triple digits in September was 10 in 2023. ------------------------- BEAT THE HEAT.............................EVITE EL CALOR Some Hot Links Concerning the NWS Heat Index and Heat Safety Guidelines Heat Wave Symptoms and Hazards Be a Buddy! In El Paso, Texas Make a Daily Call or Visit an Elderly, Sick, or Homebound Friend or Relative During Extreme HOT or COLD Weather El Paso Extreme Weather Task Force CALL (915) 771 5703 OR 771-1011 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = * Note that the Infinite Repeating Decimal 37.77777777... = 37 + 7/9 ------------------- UPDATED 12/2/2024
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