| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.72 | 0.02 |
| Feb | 0.76 | 0.72 | 0.04 |
| Mar | 1.42 | 1.34 | 0.08 |
| Apr | 2.29 | 2.34 | -0.05 |
| May | 3.45 | 3.31 | 0.14 |
| Jun | 4.41 | 4.47 | -0.06 |
| Jul | 4.62 | 4.57 | 0.05 |
| Aug | 3.68 | 3.56 | 0.12 |
| Sep | 3.12 | 2.99 | 0.13 |
| Oct | 2.90 | 2.78 | 0.12 |
| Nov | 1.46 | 1.42 | 0.04 |
| Dec | 0.99 | 1.05 | -0.06 |
29.84 | 29.27 | 0.57 |