| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.30 | -0.10 |
| Feb | 2.82 | 2.91 | -0.09 |
| Mar | 4.11 | 4.14 | -0.03 |
| Apr | 3.39 | 3.49 | -0.10 |
| May | 3.74 | 3.99 | -0.25 |
| Jun | 4.11 | 4.12 | -0.01 |
| Jul | 4.23 | 4.39 | -0.16 |
| Aug | 4.45 | 4.80 | -0.35 |
| Sep | 4.12 | 4.06 | 0.06 |
| Oct | 3.78 | 4.14 | -0.36 |
| Nov | 3.18 | 3.19 | -0.01 |
| Dec | 3.74 | 3.84 | -0.10 |
44.87 | 46.37 | -1.50 |