| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.46 | 0.03 |
| Feb | 1.15 | 1.16 | -0.01 |
| Mar | 1.87 | 1.82 | 0.05 |
| Apr | 3.02 | 3.08 | -0.06 |
| May | 3.58 | 3.47 | 0.11 |
| Jun | 4.12 | 4.19 | -0.07 |
| Jul | 3.69 | 3.67 | 0.02 |
| Aug | 3.41 | 3.42 | -0.01 |
| Sep | 3.30 | 3.20 | 0.10 |
| Oct | 2.87 | 2.78 | 0.09 |
| Nov | 2.07 | 1.97 | 0.10 |
| Dec | 1.71 | 1.69 | 0.02 |
32.28 | 31.91 | 0.37 |