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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 December 31, 2022 the Maximum Temperatures Has Reached 100 Degrees F or Higher 2068 Times. On the "Average" El Paso Experiences 15 Days or Triple Digits Per Year. * From 1991-2020 El Paso Averaged 26 Days of Triple Digits Per Year. * 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 Day (114 F) In El Paso Occurred on June 30, 1994. 1994 Also Was the Year a Record Consecutive 23 Days of Triple Digits Occurred from June 23 Through July 15. The Earliest Occurrence of 100 Degrees was on May 7, 2020. The Latest Start Time of 100 Degrees was on September 2, 1899. The Latest Occurrence of 100 Degrees was on September 16, 1956 (101 F). The 'Average' Starting Date for Triple Digits is June 13. The 'Average' Ending Date for Triple Digits is August 3. ------- MONTHLY FREQUENCY DISTRIBUTION OF TRIPLE DIGITS (Number Per Month and Percentage)
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 (associate with subsidence-downward motion in the atmosphere which in turn warm the atmosphere and suppresses cloud and thunderstorm development) positions itself over New Mexico and/or Arizona and New Mexico rather than to the east of New Mexico (which is favorable for moisture input). ----- FREQUENCY DISTRIBUTION OF THE TEMPERATURES THEMSELVES
79% 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: There is a 67% Likelihood of Having a Triple Digit Between June 11 and July 18. Both June 23 and June 28 Have Each Seen the Most Days (49) with Triple Digits since 1887. ----------------- Note TEMPS 1879-1886 Show High Bias Due to Shelter Location: TOTAL NUMBER OT TRIPLE DIGITS BY MONTH BY YEAR
------------------------- 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 5/27/2023
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