Weather synopsis (Jun 07, 2018; Wk 05)

Weather synopsis – This past week (May 28-June 4, 2018), the average temperature was very similar to the long term normal (Fig. 1).  The warmest weekly temperatures occurred across Manitoba. The 30-day average temperature (April 29 - May 29) was approximately 2 °C warmer than long term average (Fig. 2).  Across the prairies, the average temperature for May was up to 5 °C warmer than average. 

Figure 1.  Weekly (May 28–June 4, 2018) average temperature (°C) . 

Figure 2.  The 30 day (April 29 – May 29, 2018) average temperature (°C).

Weekly precipitation was above average and 30-day total rainfall is approximately 20% less than average (Figs. 3 and 4). 

Figure 3.  Weekly (May 28 - June 4, 2018) cumulative precipitation (mm).

Figure 4.  The 30-day (May 28 – June 4, 2018) cumulative precipitation (mm).

Accumulated precipitation for the growing season (April 01-June 4, 2018) is shown below.

The map below reflects the Highest Temperatures occurring over the past 7 days (May 29-June 4, 2018) across the prairies. 

The map below reflects the Lowest Temperatures occurring over the past 7 days (May 29-June 4, 2018) across the prairies. 

The growing degree day map (GDD) (Base 10ºC, March 1 – June 3, 2018) is below:

The growing degree day map (GDD) (Base 5ºC, March 1 – June 3, 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.