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Thursday, 5 July 2018

Weather synopsis (Jul 05, 2018; Wk 09)

Weather synopsis – This week staff have been busy surveying so we direct you to the AAFC Drought Watch maps in addition to the following updates.

The average temperature (14.6 °C) this past week (June 25 – July 2, 2018) was almost 2 °C warmer than long term average values (Fig. 1). 
Figure 1.  Average temperature the past seven days (June 25-July 2, 2018).

Once again, the warmest weekly temperatures occurred across MB. The 30-day (June 2-July 2) average temperature (14.3 °C) was approximately 0.5 °C warmer than long term average (Fig. 2). Average June temperatures were above normal across the entire prairie region (Fig. 3). 


Figure 2.  Average temperature the past 30 days (June 2-July 2, 2018).


Figure 3.  Monthly mean temperature differences from Normal for the month of June 2018. 
Image has not been reproduced in affiliation with, or with the endorsement of the Government of Canada and was retrieved (03Jul2018).  Access the full map at http://www.agr.gc.ca/DW-GS/current-actuelles.jspx?lang=eng&jsEnabled=true&reset=1529635048320).

Weekly and 30-day total precipitation was slightly above average (Figs. 4 and 5). The wettest (30-day) region was across eastern areas in SK and southern MB, while western SK and most of AB continue to be dry.
Figure 4.  Cumulative precipitation the past seven days (June 25-July 2, 2018).


Figure 5.  Cumulative precipitation the past 30 days (June 2-July 2, 2018).

The growing degree day map (GDD) (Base 10ºC, March 1 – July 2, 2018) is below:




The growing degree day map (GDD) (Base 5ºCMarch 1 – July 2, 2018) 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.