Is This Weather Normal? – April 2019

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April 2019 weather for Terrace, BC was about as normal as can be:

  • Slightly warmer than average temperature
  • Total monthly precipitation nearly identical to the baseline climate

Temperature:

April was the 31st warmest April on record, averaging +6.7°C, which is 0.5°C warmer than the 1971-2000 baseline climate. Temperatures stayed relatively consistent through the month, starting above average and falling a bit below average by the end of the month (Fig. 1).

Figure 1: Daily average temperature for April 2019 in Terrace, BC (dotted red line). The solid red line shows January-March 2019 temperature. The black line shows the 1971-2000 average. The two gray lines show plus/minus one standard deviation.

Temperatures for the year show the warmer than average January, colder than average February, warmer than average March and now the nearly average April (Fig. 2).

Figure 2: 2019 average monthly temperature for Terrace, BC through April. The dotted blue curve is 2019, the 10 red lines are the ten warmest years on record, every other year is in gray. The black line is the long-term average, and the error bars mark plus/minus one standard deviation.

Precipitation:

April 2019 precipitation was 73mm, nearly identical to the 1971-2000 baseline climate average of 74mm. This return to normal precipitation was a much needed, slight respite from the recent dry months. Cumulatively for the year, even with an average April, precipitation is at 69% of normal (Fig. 3). With April complete with no measurable snowfall, we can determine that the total snow in Terrace, BC for the winter months of 2019 was 118cm, which is 53% of normal.

Figure 3: Cumulative precipitation – where total precipitation (green), rain (dark blue), and snow (light blue) are added throughout the year. Solid lines show the 1971-2000 average. Dotted lines show the 2019 totals to date.

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