| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.39 | 0.05 |
| Feb | 1.17 | 1.11 | 0.06 |
| Mar | 1.90 | 1.72 | 0.18 |
| Apr | 3.14 | 3.00 | 0.14 |
| May | 3.72 | 3.65 | 0.07 |
| Jun | 4.47 | 4.53 | -0.06 |
| Jul | 3.74 | 3.75 | -0.01 |
| Aug | 3.49 | 3.41 | 0.08 |
| Sep | 3.06 | 3.13 | -0.07 |
| Oct | 2.91 | 2.85 | 0.06 |
| Nov | 2.11 | 1.94 | 0.17 |
| Dec | 1.65 | 1.59 | 0.06 |
32.80 | 32.07 | 0.73 |