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), Elevation(m), and Station Status
Station Name: WHITE ROCK STP
Province: BC Latitude (dd mm): 49 01 N
Country: CAN Longitude (ddd mm): 122 47 W
Time Zone: PST Latitude (decimal degrees): 49.02 N
Climate Id: 1108914 Longitude (decimal degrees): -122.78
WMO Id: Elevation (m): 13
TC Id: Station Status: Inactive
Element metadata including Begin Year, End Year, Total Number of Years, Missing Years, Total Count of Observations and % of Possible Observations
 Begin Year End Year Total Number of Years Missing Years Total Count of Observations % of Possible Observations
Temperature:
Daily Average (°C)1981 1998 18 1 6080 79.0
Standard Deviation1981 1998 18 1 6080 79.0
Daily Maximum (°C)1981 1998 18 1 6091 79.1
Daily Minimum (°C)1981 1998 18 1 6098 80.2
Precipitation:
Rainfall (mm)1981 2001 21 1 7517 97.6
Snowfall (cm)1981 2001 21 1 7517 97.6
Precipitation (mm)1981 2001 21 1 7517 97.6
Average Snow Depth (cm)1981 2001 21 1 7272 94.8
Median Snow Depth (cm)1981 2001 21 1 7272 94.8
Snow Depth at Month-end (cm)1981 2001 21 1 249 98.8
Days with Minimum Temperature:
> 0 °C1981 2001 18 3 6393 84.1
<= 2 °C1981 2001 18 3 6393 84.1
<= 0 °C1981 2001 18 3 6393 84.1
< -2 °C1981 2001 18 3 6393 84.1
< -10 °C1981 2001 18 3 6393 84.1
< -20 °C1981 2001 18 3 6393 84.1
< - 30 °C1981 2001 18 3 6393 84.1
Days with Rainfall:
>= 0.2 mm1981 2001 21 1 7517 97.6
>= 5 mm1981 2001 21 1 7517 97.6
>= 10 mm1981 2001 21 1 7517 97.6
>= 25 mm1981 2001 21 1 7517 97.6
Days With Snowfall:
>= 0.2 cm1981 2001 21 1 7608 98.8
>= 5 cm1981 2001 21 1 7608 98.8
>= 10 cm1981 2001 21 1 7608 98.8
>= 25 cm1981 2001 21 1 7608 98.8
Days with Precipitation:
>= 0.2 mm1981 2001 21 1 7517 97.6
>= 5 mm1981 2001 21 1 7517 97.6
>= 10 mm1981 2001 21 1 7517 97.6
>= 25 mm1981 2001 21 1 7517 97.6
Frost-Free:
Average Date of Last Spring Frost1981 1995 13 1 13 86.7
Average Date of First Fall Frost1981 1995 13 1 13 86.7
Average Length of Frost-Free Period1981 1995 13 1 13 86.7
Probability of last temperature in spring of 0 °C or lower on or after indicated dates
10 %1975 1995 20 1 19 90.5
25 %1975 1995 20 1 19 90.5
33 %1975 1995 20 1 19 90.5
50 %1975 1995 20 1 19 90.5
66 %1975 1995 20 1 19 90.5
75 %1975 1995 20 1 19 90.5
90 %1975 1995 20 1 19 90.5
Probability of first temperature in fall of 0 °C or lower on or after indicated dates
10 %1975 1995 20 1 19 90.5
25 %1975 1995 20 1 19 90.5
33 %1975 1995 20 1 19 90.5
50 %1975 1995 20 1 19 90.5
66 %1975 1995 20 1 19 90.5
75 %1975 1995 20 1 19 90.5
90 %1975 1995 20 1 19 90.5
Probability of frost-free period equal to or less than indicated period (Days)
10 %1975 1995 20 1 19 90.5
25 %1975 1995 20 1 19 90.5
33 %1975 1995 20 1 19 90.5
50 %1975 1995 20 1 19 90.5
66 %1975 1995 20 1 19 90.5
75 %1975 1995 20 1 19 90.5
90 %1975 1995 20 1 19 90.5