CLIMATIC DATA FOR SECHELT, BC (49° 28’ 0”N 123° 46’ 0”W)
ELEVATION 25 METRES ABOVE SEA LEVEL*
UPDATED FROM BCBC 2018
January 2.5% Design dry bulb temperature -6 deg C
January 1% Design dry bulb temperature -8 deg C
July 2.5% Design dry bulb temperature 27 deg C
July 2.5% Design wet bulb temperature 20 deg C
Annual total degree–days below 18 deg C 2,680
Maximum 15 minute rainfall 10 mm
Maximum one day rainfall 75 mm
Annual rainfall 1,140 mm
Annual total precipitation 1200 mm
Moisture Index 1.27
Ground snow load, snow component S(s) 50 years 2.2 kPa
Ground snow load, rain component S(r) 50 years 0.4 kPa
Driving Rain Wind Pressure, 1/5 160 kPa
Hourly wind pressure 1/10 0.37 kPa
Hourly wind pressure 1/50 0.48 kPa
Earthquake design requirements - National Building Code Interpolated seismic hazard values:
2% probability of exceedance in 50 years (0.000404 per annum)
Where Sa is Spectral Acceleration and T is the period in seconds
Sa (0.2) Sa (0.5) Sa (1.0) Sa (2.0) PGA (g)
0.828 0.745 0.434 0.265 0.363
*the design values may have been interpolated from calculated values at surrounding locations with subjective modification. Topographical effects may introduce local variations in the design values.