| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.31 | 0.04 |
| Feb | 1.17 | 1.09 | 0.08 |
| Mar | 1.68 | 1.58 | 0.10 |
| Apr | 2.80 | 2.76 | 0.04 |
| May | 3.48 | 3.33 | 0.15 |
| Jun | 3.91 | 3.99 | -0.08 |
| Jul | 4.00 | 4.13 | -0.13 |
| Aug | 3.35 | 3.41 | -0.06 |
| Sep | 3.65 | 3.69 | -0.04 |
| Oct | 3.57 | 3.31 | 0.26 |
| Nov | 2.06 | 1.96 | 0.10 |
| Dec | 1.68 | 1.63 | 0.05 |
32.70 | 32.19 | 0.51 |