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Climatic Data

Excerpt from Town of Creston Bylaw No. 1657

Climatic data for the design of buildings in the Town of Creston shall be: 

DESIGN TEMPERATURE  
January 2.5% dry bulb   -26° C
January 1.0% dry bulb    -29° C
July 2.5% dry bulb    33° C
July 2.5% wet bulb    20° C
Degree Days below 18° C  3,720
   
PRECIPITATION  
Maximum 15 minute rainfall  10 mm
Maximum one day rainfall  43 mm
Annual total precipitation  630 mm
   
SNOW LOAD  
Ground snow load S(s) 50 yr 2.8 kPa
Associated rain load S(r) 50 yr 0.1 kPa
   
HOURLY WIND PRESSURE  
Probability 1 / 50  0.33 kPa
   
SEISMIC DATA  
Seismic Spectral Response Accelerations Sa (0.2) 0.273
   
MOISTURE INDEX    0.53

                                                                                                                    BL#1657