Hanford Site climatological data summary 1999 with historical data

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This document presents the climatological data measured at the US Department of Energy's Hanford Site for calendar year 1999. Pacific Northwest National Laboratory operates the Hanford Meteorology Station and the Hanford Meteorological Monitoring Network from which these data were collected. The information contained herein includes updated historical climatologies for temperature, precipitation, normal and extreme values of temperature and precipitation, and other miscellaneous meteorological parameters. Further, the data are adjunct to and update Hoitink et al. (1999), and Hoitink and Burk (1994, 1995, 1996, 1997, 1998); however, Appendix B-Wind Climatology (1994) is excluded. 1999 was warmer than normal at the Hanford ... continued below

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Medium: P; Size: 169 pages

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Hoitink, DJ; Burk, KW & Ramsdell, JV May 11, 2000.

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Description

This document presents the climatological data measured at the US Department of Energy's Hanford Site for calendar year 1999. Pacific Northwest National Laboratory operates the Hanford Meteorology Station and the Hanford Meteorological Monitoring Network from which these data were collected. The information contained herein includes updated historical climatologies for temperature, precipitation, normal and extreme values of temperature and precipitation, and other miscellaneous meteorological parameters. Further, the data are adjunct to and update Hoitink et al. (1999), and Hoitink and Burk (1994, 1995, 1996, 1997, 1998); however, Appendix B-Wind Climatology (1994) is excluded. 1999 was warmer than normal at the Hanford Meteorology Station with an average temperature of 54.4 F, 1.1 F above normal (53.3 F). The hottest temperature was 105 F on July 28, while the coldest was 18 F on January 3. The maximum temperature of 64 F on August 30 was the lowest maximum temperature ever recorded in August, while the maximum temperature of 76 F on November 13 was the highest maximum temperature ever recorded in November. For the 12-month period, 6 months were warmer than normal and 6 were cooler than normal. 1999 was the fourth driest year on record. Precipitation totaled 3.75 inches, 60% of normal (6.26 inches); snowfall totaled 0.6 inch, the least calendar year snowfall on record (compared to the normal of 13.8 inches). 1999 was the windiest year on record with an average wind speed of 8.8 mph, 1.1 mph above normal (7.7 mph). There were 48 days with peak gust {ge} 40 mph, compared to a yearly average of 26 mph. The peak gust during the year was 65 mph on February 6. The heating-degree days for 1998--1999 were 4,802 (8% below the 5,231 normal). Cooling-degree days for 1999 were 891 (10% below the 994 normal).

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Medium: P; Size: 169 pages

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INIS; OSTI as DE00754733

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  • Other Information: PBD: 11 May 2000

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  • Report No.: PNNL-13117
  • Report No.: EW02J1110
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/754733 | External Link
  • Office of Scientific & Technical Information Report Number: 754733
  • Archival Resource Key: ark:/67531/metadc707220

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  • May 11, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2016, 6:47 p.m.

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Hoitink, DJ; Burk, KW & Ramsdell, JV. Hanford Site climatological data summary 1999 with historical data, report, May 11, 2000; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc707220/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.