Statistics Delta Heritage Air Park 2019-2023

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of White Rock Automatic Weather Reporting System (CWWK) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0	0	0	0	0	0
May	0.0	0	0	0	0	0
June	0.0	0	0	0	0	0
July	0.0	0	0	0	0	0
August	0.0	0	0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

252nd best VFR conditions of Canada

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:

• Visibility: 5 mi or more
• Ceiling: 3,000 ft or more

Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0	0	0	0	0	0
May	0.0	0	0	0	0	0
June	0.0	0	0	0	0	0
July	0.0	0	0	0	0	0
August	0.0	0	0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:

• Visibility: 3⅛ mi or more
• Ceiling: 1,000 ft or more

Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	6.7	9	7	0	8	9
February	6.9	7	9	4	9	5
March	11.1	12	11	11	10	13
April	13.8	13	13	15	14	15
May	17.9	20	15	17	19	19
June	20.5	21	20	24	19	21
July	22.7	24	23	23	22	22
August	23.1	23	24	23	22	23
September	20.3		22	19	21	20
October	14.5		17	14	14	13
November	9.5		8	11	6	11
December	5.2		4	5	0	8
Average	14.6	16.0	14.8	13.7	13.6	14.8

16th highest temperature of Canada

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	2.2	4	2	0	3	3
February	1.3	2	2	1	3	-2
March	3.8	4	5	4	3	3
April	6.2	6	5	6	6	7
May	9.8	11	9	9	10	10
June	12.2	12	12	13	12	12
July	13.9	14	15	14	13	14
August	14.2	15	15	15	14	14
September	12.1		12	12	13	13
October	7.4		9	8	8	6
November	4.1		1	6	2	4
December	1.0		-1	-1	0	4
Average	7.5	8.4	7.5	7.1	7.1	7.4

538th lowest temperature of Canada

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0	0	0	0	0	0
May	0.0	0	0	0	0	0
June	0.0	0	0	0	0	0
July	0.0	0	0	0	0	0
August	0.0	0	0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (knots)

Month	Average	2023	2022	2021	2020	2019
January	3.4	3	3	3	5	3
February	3.3	3	3	4	3	4
March	3.2	3	3	4	3	3
April	3.3	4	3	3	3	3
May	2.8	3	3	3	3	3
June	2.8	3	3	3	3	3
July	2.8	3	3	3	3	3
August	2.5	2	2	2	3	3
September	2.4		2	2	2	3
October	2.7		3	3	3	3
November	3.2		3	4	3	2
December	3.1		3	4	3	3
Average	2.9	2.9	2.7	3.0	3.0	2.9

16th highest wind speed of Canada

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2023	2022	2021	2020	2019
January	076°	114°	105°	120°	107°
February	125°	131°	119°	169°	075°
March	130°	157°	172°	182°	189°
April	164°	190°	203°	202°	202°
May	213°	192°	204°	194°	211°
June	212°	204°	203°	190°	195°
July	215°	216°	201°	198°	196°
August	227°	220°	198°	204°	204°
September		228°	191°	187°	188°
October		184°	130°	169°	168°
November		077°	125°	141°	096°
December		064°	102°	109°	078°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.