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| Owen Sound Area Climate Information |
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Geographic Position: 44°35'-N 80°56'-W
Geographic Altitude: 179 m
Sample Range: 1964 to 1990 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | | Temperature | | | Daily Maximum (°C) | -2.4 | -2.1 | 2.7 | 9.9 | 16.2 | 21.2 | 24.5 | 23.7 | 19.7 | 13.3 | 6.5 | 0.3 | 11.1 | | Daily Minimum (°C) | -9.8 | -10.3 | -6.1 | 0.5 | 5.5 | 10.6 | 14.6 | 14.5 | 10.9 | 5.5 | 0.5 | -6 | 2.5 | | Daily Mean (°C) | -6.1 | -6.1 | -1.6 | 5.2 | 10.9 | 15.9 | 19.6 | 19.1 | 15.3 | 9.4 | 3.5 | -2.8 | 6.9 | | Extreme Maximum (°C) | 13.3 | 14.5 | 24.5 | 30.5 | 31.7 | 32.2 | 33 | 34 | 31.7 | 28.3 | 22 | 18.5 | | | Date | 965/08 | 984/23 | 990/15 | 990/28 | 977/21 | 966/26 | 988/08+ | 988/05+ | 973/04 | 971/01 | 978/05 | 982/03 | | | Extreme Minimum (°C) | -29 | -34 | -27.5 | -15 | -4.4 | 0 | 4.4 | 3.3 | -1.1 | -5.6 | -12.2 | -24 | | | Date | 985/14 | 979/18 | 984/08 | 965/03 | 966/07 | 966/01 | 972/05 | 971/24 | 965/27 | 965/29 | 967/16 | 989/22 | | | Degree-Days | | | Above 18 °C | 0 | 0 | 0 | 1.2 | 5.3 | 24.2 | 68.9 | 60.2 | 19.9 | 2 | 0 | 0 | 182 | | Below 18 °C | 748.5 | 683.5 | 613.2 | 386.1 | 226.4 | 86.8 | 20.2 | 24.2 | 100.5 | 268.2 | 434.5 | 647 | 4239 | | Above 5 °C | 0.5 | 0.8 | 12.4 | 61 | 185.5 | 327.4 | 451.7 | 439.1 | 309.4 | 145.1 | 34.7 | 4.3 | 1972 | | Below 0 °C | 200.7 | 185.7 | 103.7 | 9.1 | 0 | 0 | 0 | 0 | 0 | 0.1 | 14 | 114.4 | 628 | | Precipitation | | | Rainfall (mm) | 15 | 15.5 | 35.7 | 60.6 | 65 | 81.1 | 73.6 | 97.8 | 104.4 | 89.7 | 76.1 | 34.2 | 748.9 | | Snowfall (cm) | 105.1 | 58.9 | 39.3 | 8 | 0.2 | 0 | 0 | 0 | 0 | 2.2 | 35.3 | 90.7 | 339.6 | | Precipitation (mm) | 120.1 | 74.8 | 75 | 68.6 | 65.2 | 81.1 | 73.6 | 97.8 | 104.4 | 91.9 | 110.1 | 124.9 | 1087.6 | | Extreme Daily Rainfall (mm) | 43.2 | 38.1 | 43 | 47.5 | 36.1 | 53.4 | 72.4 | 75.7 | 50 | 45.2 | 44 | 30 | | | Date | 974/26 | 976/21 | 990/11 | 967/17 | 984/22 | 980/19 | 980/14 | 968/19 | 983/20 | 988/01 | 990/05 | 984/28 | | | Extreme Daily Snowfall (cm) | 38.1 | 28 | 42 | 20.8 | 3 | 0 | 0 | 0 | 0 | 10.9 | 29 | 52 | | | Date | 972/28 | 988/11 | 985/04 | 975/03 | 976/03 | 990/30+ | 990/31+ | 990/31+ | 990/30+ | 976/25 | 976/30 | 989/18 | | | Extreme Daily Precipitation (mm) | 43.2 | 38.1 | 49.6 | 47.5 | 36.1 | 53.4 | 72.4 | 75.7 | 50 | 45.2 | 44 | 52 | | | Date | 974/26 | 976/21 | 985/04 | 967/17 | 984/22 | 980/19 | 980/14 | 968/19 | 983/20 | 988/01 | 990/05 | 989/18 | | | Month-end Snow Cover (cm) | 30 | 31 | N | N | 0 | 0 | 0 | 0 | 0 | 0 | N | N | | | Days With | | | Maximum Temperature >0°C | 10 | 10 | 19 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 16 | 296 | | Measurable Rainfall | 3 | 3 | 6 | 12 | 12 | 12 | 9 | 11 | 14 | 16 | 13 | 5 | 116 | | Measurable Snowfall | 19 | 14 | 8 | 2 | * | 0 | 0 | 0 | 0 | * | 6 | 16 | 66 | | Measurable Precipitation | 21 | 16 | 13 | 13 | 12 | 12 | 9 | 11 | 14 | 17 | 17 | 20 | 175 | |
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