Climate Viticulture Newsletter

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January

AZMet Willcox Bench station

February

graph of wine grape fruit composition values from Merkin Vineyards

March

graph of chill and heat accumulation at AZMet Willcox Bench station

April

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

January

seasonal precipitation graphs for Arizona AVAs

February

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

March

graphs of chill and heat accumulation at AZMet Willcox Bench station

April

graph of November-March temperature and precipitation for Arizona AVAs

May

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

June

June 2023 precipitation outlook map for Arizona

July

June 2023 temperature map for Arizona

August

temperature map for Arizona

September

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

October

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

November

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

December

grape vine with canopy sensors that measure temperature and precipitation

January

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

February

March

graph of chill and heat accumulations at AZMet Willcox Bench station

April

2021 April precipitation outlook map

May

2022 April precipitation map

June

2022 June temperature outlook map

July

2022 June precipitation map

August

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

September

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

October

2022 October temperature outlook map

November

graph of wine grape fruit pH and precipitation, Arizona AVAs

December

Seasonal temperatures in Arizona AVAs

January

Arizona AVA growing degree day time series

February

Arizona AVA February-April precipitation time series

March

chill and heat accumulation graphs for AZMET Willcox Bench station

March - Special Issue

late March temperature outlook map

April

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

May

graph of heat accumulation at AZMET Bonita and Willcox Bench stations

June

maps comparing 1981-2010 and 1991-2020 climate normals

July

heat accumulation from budbreak at AZMET Willcox Bench station

July - Special Issue

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

August

2021 July precipitation map

September

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

October

2021 October temperature outlook map

November

AZ and NM temperature and precipitation during past La Niña events

December

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

January

February

growing season temperature map for AZ and NM

March

March - Special Issue

2020 late March temperature outlook map

April

May

hourly temperature graph AZMET Willcox Bench station

June

hourly temperature graph AZMET Willcox Bench station

July

powdery mildew index graph AZMET Willcox Bench station

August

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

September

2020 August temperature map

October

AZ and NM temperature and precipitation during past La Niña events

November

Arizona AVA growing season temperature time series

December

Arizona AVA growing season temperature time series

May

2019 April temperature map

June

2019 June wildfire outlook map

July

2019 July cumulative GDDs map

August

hail climatology map

September

annual count of days above 95F Willcox AZ graph

October

climatological first fall freeze for Arizona and New Mexico

November

December