December 2017 – Christmas Eve Record produces White Christmas!

The December 2017 Summary

Daily records set this month at the Airport* since 1995 and compared to other stations** for “All Time” since 1900.

One new short term low temp records. No All Time records. No short term high temp or rain records.

*May have used backup Env Canada Data source at
**^^ Missing Data from Airport, Alberniweather broke existing Airport record temperature. Temperature at Alberniweather will be different. Usually Alberniweather underestimates temperatures in summer compared to Airport.
**Short Term means since 1995 at the new AVRA Airport.
 Airport Records are compared to the 30+ year weather stations of record since 1900 (1895 for rain) at Beaver Creek, Port Alberni "City" and Robertson Creek.  Note that records pre 1950 may be more likely to over-estimate high temperatures.

DECEMBER 2017  Minimum, Mean, and High Average Temp, Total Precipitation and Highest Wind


Alberniweather0.3º C, 1.7º C, 3.4º C91.4 mm
High Wind: N 7.6 kph on the 29th.
Alberni Elem. School : 0.3º C, 1.7º C, 3.4° C, 132.3 mm
High Wind: NNE 22kph on the 23rd.
Maquinna Elem. School: 0.2ºC, 1.6º C, 3.1ºC, 124.9 mm
High Wind: 18kph on the 1st.
Nick’s Stati
on (Maquinna area): 0.0ºC, 1.6º C, 3.1ºC, 56.0 mm
High Wind: NNE 31.5kph on the 31st.

Overall City Average: 0.2º C, 1.7º C, 3.3º C 101.2 mm

Environment Canada Airport* : -0.6º C, 1.1º C2.8° C, 85.5 mm
High Wind: None over 25kph

Normal 1981-2010 (Rbrstn Creek): -0.3º C 1.8º C 3.8° C 344.6 mm

*May have used backup Env Canada Data source at

Differences from Normal at Robertson Creek

+0.5° C, -0.1º C, -0.5º C, -243.4 mm (29.4% of normal)
Official Airport
-0.3° C, -0.7º C, -1.0º C, -259.1 mm (24.8% of normal)

Days of Precipitation for DECEMBER 2017*

Amount : Normal Days : Days This Month
>= 0.2 mm: 20.5 :  14
>= 5 mm:  13.1 : 6
>= 10 mm: 10.0 : 4
>= 25 mm: 5.3 : 0

*May have used backup Env Canada Data source at

Comparison to recent months of DECEMBER at Alberniweather


December 2011 was quite similar with its cool temps, but it was a lot rainier. There was not a perfect match to December 2017 in my records. Maybe that just proves how special that Christmas Eve snow was!


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