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CLIMATE EXTREMES AND RELATED STATISTICS MEASURED AT CLIMATE REFERENCE NETWORK STATIONS

CLIMATE EXTREMES AND RELATED STATISTICS MEASURED AT CLIMATE REFERENCE NETWORK STATIONS. Measured Air Temperature Ground Surface Temperature Measured Precipitation. Climate Reference Network Temperature Extremes (°F), 2002-2007. Highest Air Temperature = 125°F

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CLIMATE EXTREMES AND RELATED STATISTICS MEASURED AT CLIMATE REFERENCE NETWORK STATIONS

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  1. CLIMATE EXTREMES AND RELATED STATISTICSMEASURED AT CLIMATE REFERENCE NETWORK STATIONS Measured Air Temperature Ground Surface Temperature Measured Precipitation

  2. Climate Reference NetworkTemperature Extremes (°F), 2002-2007 • Highest Air Temperature = 125°F Death Valley, California July 18, 2005 • Lowest Air Temperature = - 56°F Barrow, Alaska February 3, 2006 • Highest Ground Surface Temperature = 149°F Death Valley, California July 17, 2005 • Lowest Ground Surface Temperature = - 58°F Barrow, Alaska February 3, 2006

  3. Consecutive Days With Maximum Temperatures ≥ Various Thresholds At Death Valley, California ≥120°F = 11 DaysJuly 12 -22, 2005 ≥110°F = 25 DaysJune 29 - Jul. 23, 2005 ≥100°F = 82 DaysJune 19 - Sep. 8, 2005 ≥ 95°F = 95 DaysJune 8 - Sep. 10, 2005 ≥ 90°F = 132 DaysMay 12 - Sep. 20, 2005

  4. Consecutive Days With Minimum Temperatures ≥ Various Thresholds At Barrow, Alaska ≥ -50°F = 2 Days Feb. 3 - 4, 2006 ≥ -30°F = 9 Days Jan. 29 - Feb. 6, 2006 ≥ 0°F = 71 Days Jan. 4 - Mar. 15, 2005 ≥ 32°F = 223 Days Oct. 16, 2004 through May 27, 2005

  5. Winter AVERAGE Temperature Data (°F) for Barrow, Alaska CRN Winters (Dec, Jan, Feb) of 2002-2007: (Average Temperatures and Departures derived from 1971-2000 Barrow NWS Normals) WinterTemperature Departure 2002-03 -10.1°F +3.3°F 2003-04 -13.8°F -0.4°F 2004-05 -10.6°F +2.8°F 2005-06 -8.5°F +4.9°F 2006-07 -10.6°F +2.8°F

  6. CRN Network Record Precipitation Events (Inches), 2002-2007 • Greatest 30-Day = 51.35 Quinault, WA Nov. 1-30, 2006 • Greatest 7-Day = 27.39 Quinault, WA Nov. 2-8, 2006 • Greatest 5-Day = 25.12 Quinault, WA Nov. 3-6, 2006 • Greatest 1-Day = 11.78 Quinault, WA Nov. 6, 2006 • Greatest 60-Minute = 3.19 Lafayette, LA Oct. 4, 2005 • Greatest 30-Minute = 2.56 Lafayette, LA Oct. 4, 2005 • Greatest 15-Minute = 1.35 Lafayette, LA Oct. 4, 2005

  7. RECORD PRECIPITATION -2 • Total precipitation measured at the Quinault CRN station on the Olympic Peninsula of Washington State for the “water year”-to-date (Oct 1, 2006 through March 14, 2007) is 136.06 inches in 5.5 months. • This is 38.34 inches greater than the 37- year mean precipitation record (for the same calendar period) of 97.72” set at the old Ranger Station site 1 mile SSW.

  8. Miscellaneous CRN Records • Greatest 8-Hour Ground Surface Temperature Rise = 92°F (17°F to 109°F), measured on Feb 17, 2006 at Mauna Loa, Hawaii 11,179 ft elevation • Greatest 5-Minute Rise In Air Temperature = 11°F Boulder, Colorado 9828 ft elevation December 15, 2005 • Greatest 10-Minute Rise in Air Temperature = 17°F Boulder, Colorado 9828 ft elevation December 15, 2005 • Longest Period With No Precipitation = 134 days Tucson, Arizona Oct. 18, 2005 – Mar. 1, 2006.

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