The data is from the monthly summaries put out by Environment Canada. The Normals are the station where the anomaly from the 1971-2000 average is calculated by EC.
Precipitation is in mm of rain equivalent. Some of it would be snow. About 25mm to the inch for the non-metric.
Boat Bluff’s 677mm is about 27 inches. In one month. Toronto had 328% of normal. Triple.
Top 10 Wettest Stations in Canada by % of Normal. (Only stations with EC Normals)
| Province | Station | Year | Month | Precipitation (mm) | Precipitation % of Normal |
| ONT | TORONTO | 2013 | 2 | 165.4 | 328 |
| SASK | LEROY | 2013 | 2 | 27 | 244 |
| ONT | TORONTO LESTER B. PEARSO | 2013 | 2 | 92 | 216 |
| SASK | QUAPPELLE 1 | 2013 | 2 | 25.1 | 212 |
| ONT | WROXETER | 2013 | 2 | 117.9 | 211 |
| QUE | GASPE A | 2013 | 2 | 121.8 | 206 |
| ONT | FOLDENS | 2013 | 2 | 98.4 | 192 |
| SASK | DUVAL | 2013 | 2 | 20.6 | 186 |
| NU | RANKIN INLET A | 2013 | 2 | 16.2 | 183 |
| NWT | FORT SIMPSON A | 2013 | 2 | 31.6 | 181 |
Top 10 Wettest Stations by amount of precipitation. Any station is eligible. NA means EC does not calculate normals.
| Province | Station | Year | Month | Precipitation (mm) | Precipitation % of Normal |
| BC | BOAT BLUFF | 2013 | 2 | 677.2 | 147 |
| BC | ZEBALLOS MURAUDE CREEK | 2013 | 2 | 473.9 | NA |
| BC | TOFINO A | 2013 | 2 | 469.6 | NA |
| BC | ESTEVAN POINT | 2013 | 2 | 430.8 | 125 |
| BC | PRINCE RUPERT MONT CIRC | 2013 | 2 | 430.7 | NA |
| BC | ADDENBROKE ISLAND | 2013 | 2 | 425.4 | NA |
| BC | LENNARD ISLAND | 2013 | 2 | 419.5 | 120 |
| BC | BELLA BELLA | 2013 | 2 | 396 | NA |
| BC | PORT ALICE | 2013 | 2 | 387.2 | 101 |
| BC | TAHSIS VILLAGE NORTH | 2013 | 2 | 370.5 | NA |
By my calculations, 2012 was one of the top 10 wettest years on record for BC going back to 1900.
Comment by Glacier — March 18, 2013 @ 2:22 PM |
Correct!
Using only stations Environment Canada calculates normals for, and just doing a mean of all the stations Percent of Normal Precipitation, this is the top 10
Wettest Years
Year % of Normal Precipitation
1997 124.4165
1893 114.7241
2007 112.7643
1968 111.8933
1996 111.4413
2012 110.7327
1980 110.2851
1948 110.2197
1990 109.3337
1983 109.2476
Driest Years:
Year % of Normal Precipitation
1929 67.22991
1925 72.64692
1928 73.16635
1952 74.63889
1930 75.07143
1938 75.51724
1922 75.54098
1943 77.65633
1904 78.71304
1944 80.42070
Comment by sunshinehours1 — March 19, 2013 @ 12:22 PM |
Oops, I should have replied here and not below.
Comment by Glacier — March 19, 2013 @ 2:14 PM
I have my own way of calculating the wettest, driest, hottest,, coldest, etc. years. I form a matrix and compare all weather stations against all other years for which each weather station existed. My final answer is a percentage relative to other years. If I get more time I’ll turn this into more meaningful variable such as % of normal. (see link: http://forums.castanet.net/viewtopic.php?f=22&t=49469)
With my method, the 10 wettest years in BC since 1890 were (it’s interesting how we both pegged 2012 as the 6th wettest):
1990
1997
1996
1999
1968
2012
1893
1971
2007
1995
The 10 driest were:
1929
1930
1922
1952
1943
1928
1938
1926
1925
1970
Comment by Glacier — March 19, 2013 @ 1:32 PM |
It has just occurred to me that you were talking about February? My calculation was based on the annual precipitation, which might help explain some of the differences.
Comment by Glacier — March 19, 2013 @ 2:12 PM |
I did Annual. But EC only calculates % of normal for a select groups of weather stations.
If you check my list “Top 10 Wettest Stations by amount of precipitation”, 6 of the 10 have NA in the right hand column meaning EC does not calculate Normals for them.
Comment by sunshinehours1 — March 19, 2013 @ 2:36 PM |