JanFebMarAprMayJunJulAugSepOctNovDec
17.25.912.115.327.319.727.319.720.917.613.8 
23.78.712.615.321.120.221.822.919.918.713.3 
34.910.413.217.715.919.224.324.522.118.115.8 
42.511.113.519.111.718.425.322.117.113.615.8 
52.38.215.715.013.318.424.119.922.315.917.2 
64.28.317.615.114.518.321.123.122.621.016.4 
73.84.416.915.416.115.522.022.825.116.713.7 
80.15.518.516.313.617.223.323.921.516.413.8 
93.16.717.914.120.919.027.524.322.515.312.3 
103.94.311.119.322.720.830.126.319.115.212.6 
114.14.18.923.325.224.732.829.617.618.814.2 
123.75.38.121.226.525.328.330.218.814.1  
136.43.78.215.322.626.626.832.216.814.6  
1411.05.010.215.318.324.425.926.216.012.5  
1511.93.69.414.915.723.918.629.217.412.1  
166.84.49.413.919.926.923.920.118.514.8  
177.24.78.916.419.826.423.720.919.712.7  
182.25.912.316.817.526.927.719.822.413.2  
192.511.714.814.618.728.319.917.922.914.1  
205.414.519.315.322.029.920.218.917.615.6  
217.016.116.812.219.629.822.018.915.115.6  
225.613.615.817.716.123.722.020.615.714.9  
2310.711.110.715.920.920.821.721.916.912.7  
249.712.315.415.520.726.522.425.816.112.3  
257.711.115.114.818.326.926.728.918.211.0  
266.510.614.417.917.424.523.324.815.410.7  
278.910.719.321.916.427.620.322.616.412.9  
288.911.813.123.619.929.723.721.718.114.7  
298.914.024.623.325.921.721.317.811.2  
308.415.925.822.132.223.822.619.313.1  
316.718.622.724.021.715.8 
Avg: 6.08.313.817.319.423.924.123.419.014.7* 14.4 
Hi: 11.916.119.325.827.332.232.832.225.121.0* 17.2 
Lo: 0.13.68.112.211.715.518.617.915.110.7* 12.3 
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20256.08.313.817.319.423.924.123.419.014.7* 14.4 
20247.711.112.013.919.520.222.322.818.215.010.19.5
20238.610.410.913.618.423.321.122.022.116.010.39.0
20228.210.713.014.919.121.725.525.519.716.911.66.8
20215.68.812.012.916.121.624.121.221.716.111.28.6
20209.49.911.116.519.420.020.622.219.213.611.57.4
20197.011.512.214.816.919.123.122.719.013.28.48.2
20187.86.08.513.719.221.425.422.418.815.210.89.2
20176.68.812.914.318.120.921.720.818.015.710.07.6
20168.28.59.712.417.319.422.222.420.514.48.88.8
20157.97.310.715.115.619.821.521.517.614.712.012.1
20148.49.412.615.117.220.423.820.119.715.610.88.1
20135.65.95.312.616.119.124.522.418.515.69.59.5
20128.37.713.811.717.017.920.421.918.112.99.57.4
20116.89.311.718.217.820.221.221.120.716.912.08.6
20103.95.310.814.816.521.422.320.318.614.07.92.4
20096.07.511.915.517.420.721.522.119.215.311.55.6
20089.69.610.412.718.619.522.021.618.114.09.96.7
20079.99.411.517.216.520.020.021.619.015.310.87.6
20066.96.98.413.117.322.326.921.021.916.411.89.2
20059.17.210.714.116.921.021.822.020.016.29.77.6
20048.18.610.714.618.020.721.022.619.213.910.78.5
20037.37.613.115.217.522.123.024.020.413.411.07.4
20028.410.511.814.816.919.821.422.719.113.310.77.1
20015.88.48.512.018.419.422.222.417.116.610.96.8
2000       22.219.013.89.67.7
Avg7.58.611.114.417.620.622.622.119.314.9* 10.67.9

Data Summary

All daily data available, with month, year, seasonal summaries and some basic calculated values.

Historic Charts

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