| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.91 | 1.87 | 0.04 | 
| Feb | 2.21 | 2.14 | 0.07 | 
| Mar | 3.26 | 3.23 | 0.03 | 
| Apr | 4.10 | 4.07 | 0.03 | 
| May | 5.53 | 5.26 | 0.27 | 
| Jun | 4.70 | 4.77 | -0.07 | 
| Jul | 3.59 | 3.51 | 0.08 | 
| Aug | 3.00 | 2.86 | 0.14 | 
| Sep | 4.50 | 4.12 | 0.38 | 
| Oct | 3.89 | 3.83 | 0.06 | 
| Nov | 2.71 | 2.66 | 0.05 | 
| Dec | 2.67 | 2.54 | 0.13 | 
| 42.07 | 40.86 | 1.21 |