Soil Management Handbook - Ministry of Agriculture and Lands

Table 1
Summary of Climatological Data for Some Representative Atmospheric Environment Service Stations in the Okanagan and Similkameen Valleys
STATION Lat. Long. Elev. Yrs. of
Record
GDD LSF FFF FFP PA PS Snow GP PES Ext.
Min.
Armstrong 50 26 119 12 375 26 1867 May 18 Sept 20 124 457 174 159 55 565 -42.2 40.6 -9.6 28.0
Kelowna Airport 49 58 119 23 430 12 1801 May 26 Sept 20 116 312 129 104 22 489 *1
Ext.
Max.
Jan.
Min.
July
Max.
-36.1 38.6 -9.3 28.0
Keremeos 50 12 119 47 430 29 2424 Apr 18 Oct 17 181 242 103 64 52 534 -30.6 41.1 -6.5 29.0
Lumby 50 15 118 58 509 10 1711 May 25 Sept 11 108 420 193 143 37 --- -33.3 38.3 -10.4 27.4
Okanagan Centre 50 4 119 27 348 29 2040 Apr 26 Oct 17 173 356 148 81 44 495 -30.0 40.0 -5.5 27.3
Oliver 49 10 119 33 315 29 2194 May 11 Sept 28 139 291 118 56 51 620 -30.6 42.8 -6.9 29.2
Osoyoos 49 4 119 31 331 27 2459 Apr 18 Oct 16 180 336 126 69 41 517 -25.6 39.5 -6.1 29.1
Oyama 50 06 119 22 396 5 1909 May 15 Oct 12 149 387 169 91 40 --- -26.5 39.0 -7.0 27.4
Penticton Airport 49 28 119 36 344 30 2136 May 8 Oct 4 148 283 122 76 45 549 -27.2 40.6 -5.3 28.6
Summerland CDA 49 34 119 39 455 30 2196 Apr 22 Oct 10 165 291 127 78 46 513 -30.0 40.0 -6.3 27.8
Vernon 50 14 119 17 555 9 2011 Apr 22 Oct 15 175 348 151 103 30 471 *2
-26.7 38.5 -7.4 27.0
Winfield 50 02 119 25 503 10 2043 Apr 19 Oct 3 176 332 141 106 38 --- -25.5 37.2 -6.5 27.1
Sources: Environment Canada. Atmospheric Environment Service, 1982. Canadian Climate Normals, Volumes 2, 3, 4 and 6: 1951-1980. Downsview, Ontario
Air Studies Branch. Climatic Capability Classification for Agriculture in British Columbia, RAB Technical Paper 1. Ministry of Environment, Victoria, B.C., 1978.
*1 Kelowna CDA *2 Vernon Coldstream
Appendix A-7