| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.19 | 0.11 |
| Feb | 1.13 | 1.02 | 0.11 |
| Mar | 1.62 | 1.49 | 0.13 |
| Apr | 2.67 | 2.62 | 0.05 |
| May | 3.27 | 3.20 | 0.07 |
| Jun | 3.78 | 3.90 | -0.12 |
| Jul | 3.75 | 4.01 | -0.26 |
| Aug | 3.25 | 3.11 | 0.14 |
| Sep | 3.53 | 3.52 | 0.01 |
| Oct | 3.45 | 3.30 | 0.15 |
| Nov | 1.99 | 1.85 | 0.14 |
| Dec | 1.63 | 1.51 | 0.12 |
31.37 | 30.72 | 0.65 |