Climate Viticulture Newsletter

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AZMet Willcox Bench station

January

graph of wine grape fruit composition values from Merkin Vineyards

February

graph of chill and heat accumulation at AZMet Willcox Bench station

March

time series graph of hourly vapor pressure deficit, April through October 2023, at the AZMet Willcox Bench station

April

graph of November-March temperature and precipitation time series for Arizona AVAs

May

June 2024 precipitation outlook map for Arizona

June

July 2024 temperature outlook map for Arizona

July

graphs of growing season heat accumulation at the AZMet Bonita and Willcox Bench stations

August

graphs of hours within temperature ranges at the AZMet Willcox Bench station

September

graphs of frequency of different temperature categories at AZMet Willcox Bench station

October

scatterplots of July-September temperature and precipitation for Arizona AVAs

November

charts of seasonal heat accumulation at the AZMet Bonita and Willcox Bench stations

December

seasonal precipitation graphs for Arizona AVAs

January

temperature and precipitation during the ripening and harvest seasons in Arizona AVAs

February

graphs of chill and heat accumulation at AZMet Willcox Bench station

March

graph of November-March temperature and precipitation for Arizona AVAs

April

bar chart of hours below freezing in April per year at AZMet stations in the Willcox AVA

May

June 2023 precipitation outlook map for Arizona

June

June 2023 temperature map for Arizona

July

temperature map for Arizona

August

bar graph of hours in temperature ranges during August 2023 at AZMet Willcox Bench station

September

time series of dew point and diurnal temperature range from June through September at AZMet Willcox Bench station

October

chart showing 2023 ripening conditions like 2020 for sonoita and willcox AVAs, rain and heat in July, August, and September for Verde Valley AVA more similar to 2022

November

grape vine with canopy sensors that measure temperature and precipitation

December

November-December average temperature and total precipitation for Arizona AVAs, 1981-2021

January

February

graph of chill and heat accumulations at AZMet Willcox Bench station

March

2021 April precipitation outlook map

April

2022 April precipitation map

May

2022 June temperature outlook map

June

2022 June precipitation map

July

graph of hours above 95F and below 65F at AZMet Willcox Bench station

August

July-August average temperature and total precipitation for Arizona AVAs, 1981-2022

September

2022 October temperature outlook map

October

graph of wine grape fruit pH and precipitation, Arizona AVAs

November

Seasonal temperatures in Arizona AVAs

December

Arizona AVA growing degree day time series

January

Arizona AVA February-April precipitation time series

February

chill and heat accumulation graphs for AZMET Willcox Bench station

March

late March temperature outlook map

March - Special Issue

graphs of Buhl Memorial Vineyard budbreak dates and AZMET Willcox Bench chill and heat accumulation

April

graph of heat accumulation at AZMET Bonita and Willcox Bench stations

May

maps comparing 1981-2010 and 1991-2020 climate normals

June

heat accumulation from budbreak at AZMET Willcox Bench station

July

graph of hours above 95F and below 65F at AZMET Willcox Bench station

July - Special Issue

2021 July precipitation map

August

graph of hours above 95F and below 65F at AZMET Willcox Bench station

September

2021 October temperature outlook map

October

AZ and NM temperature and precipitation during past La Niña events

November

Arizona county precipitation deficits during November and December during past La Niña events

December

January

growing season temperature map for AZ and NM

February

March

2020 late March temperature outlook map

March - Special Issue

April

hourly temperature graph AZMET Willcox Bench station

May

hourly temperature graph AZMET Willcox Bench station

June

powdery mildew index graph AZMET Willcox Bench station

July

hours above 95F and below 65F graph AZMET Willcox Bench

August

2020 August temperature map

September

AZ and NM temperature and precipitation during past La Niña events

October

Arizona AVA growing season temperature time series

November

Arizona AVA growing season temperature time series

December

2019 April temperature map

May

2019 June wildfire outlook map

June

2019 July cumulative GDDs map

July

hail climatology map

August

annual count of days above 95F Willcox AZ graph

September

climatological first fall freeze for Arizona and New Mexico

October

November

December