| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.73 | 0.68 | 0.05 | 
| Feb | 0.80 | 0.74 | 0.06 | 
| Mar | 1.52 | 1.49 | 0.03 | 
| Apr | 2.57 | 2.58 | -0.01 | 
| May | 3.66 | 3.69 | -0.03 | 
| Jun | 4.24 | 4.37 | -0.13 | 
| Jul | 4.03 | 3.87 | 0.16 | 
| Aug | 3.87 | 3.90 | -0.03 | 
| Sep | 2.88 | 2.98 | -0.10 | 
| Oct | 2.62 | 2.66 | -0.04 | 
| Nov | 1.38 | 1.35 | 0.03 | 
| Dec | 0.90 | 0.90 | 0.00 | 
| 29.20 | 29.21 | -0.01 |