| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.55 | -0.01 |
| Feb | 2.82 | 2.99 | -0.17 |
| Mar | 4.11 | 4.14 | -0.03 |
| Apr | 3.65 | 4.00 | -0.35 |
| May | 3.90 | 3.84 | 0.06 |
| Jun | 4.19 | 4.53 | -0.34 |
| Jul | 4.32 | 4.25 | 0.07 |
| Aug | 4.16 | 4.05 | 0.11 |
| Sep | 4.45 | 5.06 | -0.61 |
| Oct | 3.33 | 3.51 | -0.18 |
| Nov | 3.32 | 3.59 | -0.27 |
| Dec | 3.39 | 3.59 | -0.20 |
45.18 | 47.10 | -1.92 |