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.