| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.05 | -0.06 |
| Feb | 1.35 | 1.48 | -0.13 |
| Mar | 2.24 | 2.39 | -0.15 |
| Apr | 3.99 | 4.06 | -0.07 |
| May | 5.23 | 5.41 | -0.18 |
| Jun | 5.10 | 5.26 | -0.16 |
| Jul | 4.52 | 4.64 | -0.12 |
| Aug | 4.10 | 4.40 | -0.30 |
| Sep | 3.68 | 3.74 | -0.06 |
| Oct | 2.91 | 3.17 | -0.26 |
| Nov | 2.09 | 2.10 | -0.01 |
| Dec | 1.47 | 1.57 | -0.10 |
37.67 | 39.27 | -1.60 |