Publications

A "Water Year" runs from October 1st through September 30th. For example, Water Year 2006 began on October 1, 2005 and ended on September 30, 2006. Questions regarding these reports or the data contained within should be directed to Steve Waters, Flood Warning Branch Manager.

Reports and Publications

Water YearTitle Description
2019Storm Report : September 23-27, 2019Report on the storm of September 23, 2027/2019 (6.0 MB, PDF format)
2019Storm Report : October 1-3, 2018Report on the storm of 10/January 3, 2018 (6.9 MB, PDF format)
2019Storm Report Story Map: October 1-3, 2018Report on the storm of 10/January 3, 2018 (Web-hosted ArcPro Story format)
2018Annual Hydrologic Data Report, Volume IPrecipitation Data (7.3 MB)
2018Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (49.4 MB)
2018Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (15.7 MB)
2018MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon 2018 (4.4 MB)
2017Annual Hydrologic Data Report, Volume IPrecipitation Data (7.7 MB)
2017Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (50 MB)
2017Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (15.1 MB)
2017MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon 2017 (4.1 MB)
2016Annual Hydrologic Data Report, Volume IPrecipitation Data (4.2 MB)
2016Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (65 MB)
2016Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (3.9 MB)
2016MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon 2016 (4.2 MB)
2015Annual Hydrologic Data Report, Volume IPrecipitation Data (7.1 MB)
2015Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (7.4 MB)
2015Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (3.7 MB)
2015MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon 2015 (4.2 MB)
2015Storm Report : Storm of July 18, 2015 (Revised September 4, 2015)Report on the July 18, 2015 Storm over northwest Maricopa County (5.5 MB)
2015Storm Report : Storm of July 18, 2015Report on the July 18, 2015 Storm over northwest Maricopa County (4.5 MB)
2014Annual Hydrologic Data Report, Volume IPrecipitation Data (3.8 MB)
2014Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (7.1 MB)
2014Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (3.5 MB)
2014MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon (4.9 MB)
2014Storm Report : Storm of September 27, 2014Report on the September 27, 2014 Storm over eastern Maricopa County (2 MB)
2014Storm Report : Storm of September 8, 2014 (Revised December 16, 2014)Report on the September 8, 2014 Storm over metro Phoenix (4.6 MB)
2014Storm Report : Storm of September 8, 2014 (Original September 26, 2014)Report on the September 8, 2014 Storm over metro Phoenix (4.6 MB)
2014Storm Report : Storm of August 19, 2014Report on the August 19, 2014 Storm over north-central Maricopa County (4.7 MB)
2014Storm Report : Storm of August 12, 2014 (Revised September 24, 2014)Report on the South Mountain Park and Vicinity Storm (2.0 MB)
2014Storm Report : Storm of August 12, 2014 (Original August 26, 2014)Report on the South Mountain Park and Vicinity Storm (2.0 MB)
2013Annual Hydrologic Data Report, Volume IPrecipitation Data for 2013 (3.8 MB)
2013Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (7.6 MB)
2013Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (3.5 MB)
2013MSP Verification Report and Monsoon RecapVerification of weather forecasts produced during Monsoon 2013 (4.0 MB)
2012Annual Hydrologic Data Report, Volume IPrecipitation Data (3.2 MB)
2012Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (11.7 MB)
2012Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (3.0 MB)
2012Meteorological Services Program Verification ReportVerification of weather forecasts produced during Monsoon (3.3 MB)
2012Storm Report : Storm of July 31, 2012 (Revised September 12, 2012)Report on the Anthem / Deadman Wash storm (1.8 MB)
2012Storm Report : Storm of July 31, 2012 (Original August 10, 2012)Report on the Anthem / Deadman Wash storm (1.8 MB)
2011Annual Hydrologic Data Report, Volume IPrecipitation Data (3.2 MB)
2011Annual Hydrologic Data Report, Volume IIStreamflow and Impoundment Data (9.1 MB)
2011Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (2.9 MB)
2010Annual Hydrologic Data Report, Volume IPrecipitation Data (2.2 MB)
2010Annual Hydrologic Data Report, Volume IIStreamflow Data (7.8 MB)
2010Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (1.3 MB)
2010Storm Report : January Storms of 2010 in Central AZ (Revised 11/05/10)Report on the January 19th and 21st storms (2.2 MB)
2010Storm Report : January Storms of 2010 in Central AZ (Revised August 10, 2010)Report on the January 19th and 21st storms (2.2 MB)
2010Storm Report : January Storms of 2010 in Central AZ (Original April 26, 2010)Report on the January 19th and 21st storms (2.2 MB)
2009Annual Hydrologic Data Report, Volume IPrecipitation Data (1.5 MB)
2009Annual Hydrologic Data Report, Volume IIStreamflow Data (3.6 MB)
2009Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (1.5 MB)
2008Annual Hydrologic Data Report, Volume IPrecipitation Data (2.1 MB)
2008Annual Hydrologic Data Report, Volume IIStreamflow Data (4.1 MB)
2008Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (1.7 MB)
2008Storm Report : July Storms of 2008 in Central ArizonaReport on the July 10th and 13th storms (4.4 MB)
2008Storm Report : January 27, 2008Report on the storm of January 27, 2008 (693 KB)
2008Storm Report : November 30 - December 1, 2007Report on the late November storm (1.4 MB)
2007Annual Hydrologic Data Report, Volume IPrecipitation Data (2.2 MB)
2007Annual Hydrologic Data Report, Volume IIStreamflow Data (3.8 MB)
2007Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (1.6 MB)
2007Storm Report : July 31, 2007 (Revised September 18, 2007)Report on severe storms in NE Maricopa County on July 31, 2007 (.8 MB)
2007Storm Report : July 31, 2007 (Original September 8, 2007)Report on severe storms in NE Maricopa County on July 31, 2007 (.8 MB)
2007Storm Report : July 26, 2007Report on severe thunderstorm in the vicinity of PIR on July 26, 2007 (3.8 MB)
2006Annual Hydrologic Data Report, Volume IPrecipitation Data (2.0 MB)
2006Annual Hydrologic Data Report, Volume IIStreamflow Data (1.9 MB)
2006Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (1.5 MB)
2005Annual Hydrologic Data Report, Volume IPrecipitation Data (793 KB)
2005Annual Hydrologic Data Report, Volume IIStreamflow data (2.6 MB)
2005Annual Hydrologic Data Report, Volume IIStreamflow data (7.55 MB)
2005Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (760 KB)
2005Storm Report : February 2005Meteorology, Precipitation, Runoff and Damages due to flooding in February (804 KB)
2004Annual Hydrologic Data Report, Volume IPrecipitation Data (790 KB)
2004Annual Hydrologic Data Report, Volume IISurface Water data (2.4 MB)
2004Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (757 KB)
2003Annual Hydrologic Data Report, Volume IPrecipitation Data (319 KB)
2003Annual Hydrologic Data Report, Volume IISurface Water Data (4.75 MB)
2003Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (606 KB)
2003Late Monsoon Storms of 2003 in the Upper Trilby Wash Watershed(38 KB)
2003Storm Report - February 12-15, 2003(2.9 MB)
2002Annual Hydrologic Data Report, Volume IPrecipitation Data (3.1 MB)
2002Annual Hydrologic Data Report, Volume IPrecipitation Data (924 KB)
2002Annual Hydrologic Data Report, Volume IISurface Water Data (1.5 MB)
2002Annual Hydrologic Data Report, Volume IISurface Water Data (4.5 MB)
2002Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (4.1 MB)
2001Annual Hydrologic Data Report, Volume IPrecipitation Data (3.3 MB)
2001Annual Hydrologic Data Report, Volume IPrecipitation Data (2.8 MB)
2001Annual Hydrologic Data Report, Volume IISurface Water Data (1.0 MB)
2001Annual Hydrologic Data Report, Volume IISurface Water Data (3.2 MB)
2001Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (701 KB)
2001Storm Report - August and October Storms of 2000Brings up a format selection menu
2000Annual Hydrologic Data Report, Volume IPrecipitation Data (3.2 MB)
2000Annual Hydrologic Data Report, Volume IPrecipitation Data (2.4 MB)
2000Annual Hydrologic Data Report, Volume IISurface Water Data (739 KB)
2000Annual Hydrologic Data Report, Volume IISurface Water Data (1.3 MB)
2000Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (618 KB)
1999Annual Hydrologic Data Report, Volume IPrecipitation Data (1.7 MB)
1999Annual Hydrologic Data Report, Volume IPrecipitation Data (743 KB)
1999Annual Hydrologic Data Report, Volume IISurface Water Data (1.9 MB)
1999Annual Hydrologic Data Report, Volume IISurface Water Data (600 KB)
1999Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (638 KB)
1999Storm Report - July 14-15, 1999HTML (600 KB)
1998Annual Hydrologic Data Report, Volume IPrecipitation Data (665 KB)
1998Annual Hydrologic Data Report, Volume IPrecipitation Data (3.5 MB)
1998Annual Hydrologic Data Report, Volume IISurface Water Data (1.2 MB)
1998Annual Hydrologic Data Report, Volume IISurface Water Data (744 KB)
1998Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (464 KB)
1997Annual Hydrologic Data Report, Volume IPrecipitation Data (1.1 MB)
1997Annual Hydrologic Data Report, Volume IPrecipitation Data (2.0 MB)
1997Annual Hydrologic Data Report, Volume IISurface Water Data (533 KB)
1997Annual Hydrologic Data Report, Volume IISurface Water Data 1.3 MB()
1997Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (6.7 MB)
1997Report on Hurricane Nora in Maricopa County (September 97)HTML (130 KB)
1997Report on Hurricane Nora in Maricopa County (September 97)(1.2 MB)
1996Annual Hydrologic Data Report, Volume IPrecipitation Data (3.5 MB)
1996Annual Hydrologic Data Report, Volume IPrecipitation Data (1.5 MB)
1996Annual Hydrologic Data Report, Volume IISurface Water Data (1.1 MB)
1996Annual Hydrologic Data Report, Volume IIIWeather Sensor Statistics (538 KB)
1995Annual Hydrologic Data Report, Volume IPrecipitation and Weather Data (2.9 MB)
1995Annual Hydrologic Data Report, Volume IPrecipitation and Weather Data (1.4 MB)
1995Annual Hydrologic Data Report, Volume IISurface Water Data (1.1 MB)
1994Annual Hydrologic Data Report Volume IISurface-water data for Water-Year (4.3 MB)
1994Annual Hydrologic Data Report, Volume IPrecipitation Data (1.1 MB)
1994Storm Report : October 6, 1993(1.3 MB)
1993Annual Hydrologic Data Report, Volume IPrecipitation Data (1.2 MB)
1993Storm Report - January 1993(4.1 MB)
1992Annual Hydrologic Data Report, Volume IPrecipitation Data (7.7 MB)
1992Storm Report - July 23-24, 1992(3.8 MB)
1990Mini-Report on the Storms of August and September 1990(8 KB)
1989Flood Report: October 14, 1988(1.4 MB)