| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.96 | 0.05 |
| Feb | 1.07 | 1.00 | 0.07 |
| Mar | 1.92 | 1.84 | 0.08 |
| Apr | 3.10 | 2.99 | 0.11 |
| May | 4.20 | 4.15 | 0.05 |
| Jun | 4.93 | 5.05 | -0.12 |
| Jul | 3.99 | 4.02 | -0.03 |
| Aug | 4.40 | 4.41 | -0.01 |
| Sep | 3.65 | 3.58 | 0.07 |
| Oct | 2.86 | 2.74 | 0.12 |
| Nov | 1.79 | 1.74 | 0.05 |
| Dec | 1.38 | 1.33 | 0.05 |
34.30 | 33.81 | 0.49 |