Hanford Site Climatological Data Summary 1998

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This document presents the climatological data measured at the U.S. Department of Energy's Hanford Site for calendar year 1998. 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 and Burk (1994, 1995, 1996, 1997, 1998); however, Appendix B--Wind Climatology (1994) is excluded. 1998 was much warmer than normal, tying 1992 as the warmest year on ... continued below

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Medium: P; Size: 162 pages

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Hoitink, DJ; Ramsdell, JV & Burk, KW May 26, 1999.

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Description

This document presents the climatological data measured at the U.S. Department of Energy's Hanford Site for calendar year 1998. 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 and Burk (1994, 1995, 1996, 1997, 1998); however, Appendix B--Wind Climatology (1994) is excluded. 1998 was much warmer than normal, tying 1992 as the warmest year on record. The average temperature was 56.4 F, 3.1 F above normal (53.3 F). The highest July temperature ever recorded was 112 F on July 27, 1998. The first week in May, three daily temperature records were broken or tied. November 1998 was the third warmest on record. For the year 1998, there were 73 days with maximum temperature >90 F, the third highest on record. For the 12-month period, 11 months were warmer than normal and 1 was cooler than normal. The summer (June, July, and August) and autumn (September, October, and November) of 1998 were the fourth warmest on record. 1998 was slightly wetter than normal. Precipitation totaled 6.45 in., 103% of normal (6.26 in.); snow-fall totaled 7.2 in., compared to the normal of 13.8 in. There were eight thunderstorms recorded at Hanford Meteorological Station in July 1998, tying 1983 for the most thunderstorms in July. The average wind speed during 1998 was 7.9 mph, 0.2 mph above normal (7.7 mph). There were 32 days with peak gusts {ge}40 mph, compared to a yearly average of 26 mph. The peak gust during the year was 56 mph from the south-southwest on November 21. November 1998 had a record number of days (10) with wind gusts {ge}40 mph. The heating-degree days for 1997-1998 were 4,523 (14% below the 5,231 normal). Cooling-degree days for 1998 were 1,377 (38% above the 994 normal).

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Medium: P; Size: 162 pages

Notes

OSTI as DE00006956

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  • Other Information: PBD: 26 May 1999

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  • Report No.: PNNL-12087
  • Report No.: EW02J111
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/6956 | External Link
  • Office of Scientific & Technical Information Report Number: 6956
  • Archival Resource Key: ark:/67531/metadc706535

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  • May 26, 1999

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; Ramsdell, JV & Burk, KW. Hanford Site Climatological Data Summary 1998, report, May 26, 1999; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc706535/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.