Thursday, 14 July 2016

Weekly Update (July 13, 2016; Wk 11) - Weather Synopsis

Average temperatures for June 27-July 3 were warmer in Alberta than Manitoba. This week the trend was reversed with the warmest temperatures being reported from Manitoba. Prairie wide, the average temperature was similar to Long Term Normals (LTN). 

Seven day (July 4-10, 2016) cumulative rainfall was greater in Manitoba and eastern Saskatchewan and Alberta and western Saskatchewan. Average cumulative rainfall was marginally greater than LTN values.

The average 30 day temperature (June 10-July 10) was 0.5 °C warmer than LTN values.

The average 30 day rainfall was 20% greater than LTN values.

The average growing season temperature (April 1 – July 10) has been approximately 1 °C warmer than normal. Growing season rainfall has been approximately 10% above average. 

The map below shows the Lowest Temperatures the Past 7 Days (July 5-11, 2016) across the prairies:

The map below shows the Highest Temperatures the Past 7 Days (July 5-11, 2016):

The updated growing degree day map (GDD) (Base 5ºC, March 1 – July 10, 2016) is below:

While the growing degree day map (GDD) (Base 10ºC, March 1 – July 10, 2015) is below:

The maps above are all produced by Agriculture and Agri-Food Canada.  Growers may wish to bookmark the AAFC Drought Watch Maps for the growing season.

Additional precipitation and temperature data or maps are provided by the following:
Manitoba AGriculture's Crop Weather Report
Alberta Agriculture and Food's Weather Stations
Environment Canada's Historical Data Interface