Calculation Information for 1981 to 2010 Canadian Normals Data

Statistics listed below are provided as a guide to determine the validity of Normals and Extremes calculations. For example, a station with 30 years of record between 1981 and 2010 with no missing years would be a more reliable normal than a station with 15 years of record and 2 missing years. Less than 100% possible observations indicates that out of the total number of observations used, some records were missing.

Metadata including Station Name, Province, Country, Time Zone, Climate ID, WMO ID, TC ID, Latitude(dd mm), Longitude(ddd mm), Latitude(decimal degrees), Longitude(decimal degrees), and Elevation(m)
DAWSON CREEK A
Province: BC Latitude (dd mm): 55 44 N
Country: CAN Longitude (ddd mm): 120 11 W
Time Zone: MST Latitude (decimal degrees): 55.74 N
Climate ID: 1182285 Longitude (decimal degrees): -120.18
WMO ID: 71471 Elevation (m): 654.7
TC ID: YDQ
Temperature
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Temperature
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Daily Average (°C)19812007270951899.6
Standard Deviation19812007270951899.6
Daily Maximum (°C)198120072709521100
Daily Minimum (°C)19812007270952599.7
Extreme Maximum (°C)196820071417999.8
Extreme Minimum (°C)196820071418399.6
Precipitation
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Precipitation
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Rainfall (mm)19812006260931298.4
Snowfall (cm)19812006260931299
Precipitation (mm)198120062609312100
Extreme Daily Rainfall (mm)196820071413599.9
Extreme Daily Snowfall (cm)196820061407799.9
Extreme Daily Precipitation (mm)196820061398599.9
Extreme Snow Depth (cm)19802006704191.5
Days with Maximum Temperature
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Days with Maximum Temperature
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
<= 0 °C19812007271943499
> 0 °C19812007271943499
> 10 °C19812007271943499
> 20 °C19812007271943499
> 30 °C19812007271943499
> 35 °C19812007271943499
Days with Minimum Temperature
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Days with Minimum Temperature
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
> 0 °C19812007270952599.7
<= 2 °C19812007270952599.7
<= 0 °C19812007270952599.7
< -2 °C19812007270952599.7
< -10 °C19812007270952599.7
< -20 °C19812007270952599.7
< - 30 °C19812007270952599.7
Days with Rainfall
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Days with Rainfall
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
>= 0.2 mm198120072709462100
>= 5 mm198120072709462100
>= 10 mm198120072709462100
>= 25 mm198120072709462100
Days With Snowfall
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Days With Snowfall
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
>= 0.2 cm198120062609404100
>= 5 cm198120062609404100
>= 10 cm198120062609404100
>= 25 cm198120062609404100
Days with Precipitation
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Days with Precipitation
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
>= 0.2 mm198120062609312100
>= 5 mm198120062609312100
>= 10 mm198120062609312100
>= 25 mm198120062609312100
Wind
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Wind
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Maximum Hourly Speed (km/h)1964200927619569.1
Degree Days
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Degree Days
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Above 24 °C19812007272934197.8
Above 18 °C19812007272934197.8
Above 15 °C19812007272934197.8
Above 10 °C19812007272934197.8
Above 5 °C19812007272934197.8
Above 0 °C19812007272934197.8
Below 0 °C19812007272934197.8
Below 5 °C19812007272934197.8
Below 10 °C19812007272934197.8
Below 15 °C19812007272934197.8
Below 18 °C19812007272934197.8
Humidex
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Humidex
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Extreme Humidex1964200925234063.2
Wind Chill
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Wind Chill
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Extreme Wind Chill1964200925303163.3
Humidity
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
Humidity
Begin YearEnd YearTotal Number of YearsMissing YearsTotal Count of Observations% of Possible Observations
Average Relative Humidity - 1500LST (%)198120092911036099.3