Tuesday, March 21, 2023

Winter 2022-23 was colder and drier than normal

Meteorological winter is from December 1 to February 28.  Winter 2022-23 was colder and drier than normal.  

The mean temperature at Victoria Gonzales this past winter was 4.9 degrees C, compared with the 30-year average of 5.8 C.  The average daily maximum temperature was 7.0 C (versus normal 7.9 C), while the average daily minimum was 2.8 C (versus the normal 3.7 C).  December was much colder than average.  January was slightly milder than average, while February was colder than average.



The chart below shows the daily maximum and minimum temperatures at Victoria Gonzales during winter 2022-23, compared with the 30-year averages.  The cold snap in late December really stands out, with temperatures far below normal. The temperature dropped as low as -9.5 C on December 22, the second December in a row with a very strong cold snap and very low temperatures. January temperatures were a bit above normal, but February temperatures once more fell below normal.

Daily Max & Min temps vs 30-yr normal, Winter 2022-23





Winter 2022-23 was drier than normal, with 197 mm of precipitation versus the normal of 266 mm. Precipitation was a bit above normal in December (114 mm vs. 98 mm), but January was very dry (26.3 mm vs. normal 104.3 mm), and February was also slightly drier than normal (57.1 mm vs. normal 63.5 mm).

The chart below shows daily precipitation during winter 2022-23, and compares the cumulative precipitation with the 30-year average.  Precipitation tracked close to average during the first part of the winter, but fell below average in January.  




Winter 2022-23 was also much snowier than normal.  There was 41 cm of snow compared with the normal 14 cm.  Nearly all of the snow (37 cm) fell in December.