JanFebMarAprMayJunJulAugSepOctNovDec
17.5           
21.5           
31.2           
42.3           
51.7           
63.7           
73.2           
83.5           
93.2           
102.4           
112.6           
127.5           
1312.7           
1412.9           
1515.7           
1611.7           
1714.2           
1810.2           
196.2           
208.8           
217.1           
225.3           
233.3           
248.6           
254.6           
264.1           
276.4           
286.2           
295.8          
304.4          
31       
Avg: * 6.3           
Hi: * 15.7           
Lo: * 1.2           
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
2025* 6.3           
20246.28.29.111.018.817.319.020.716.413.89.98.9
20235.78.16.410.313.919.917.418.017.812.08.46.9
20227.86.310.210.415.318.120.120.015.913.810.34.2
20213.75.69.49.411.618.419.517.517.912.89.56.5
2020   * 13.215.017.017.218.016.611.310.26.6
Avg* 5.97.18.8* 10.914.918.118.618.816.912.79.66.6