| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.61 | -0.06 |
| Feb | 2.82 | 2.89 | -0.07 |
| Mar | 4.06 | 4.22 | -0.16 |
| Apr | 3.85 | 3.93 | -0.08 |
| May | 4.12 | 4.12 | 0.00 |
| Jun | 4.47 | 4.51 | -0.04 |
| Jul | 4.98 | 4.99 | -0.01 |
| Aug | 4.53 | 4.41 | 0.12 |
| Sep | 4.43 | 4.30 | 0.13 |
| Oct | 4.26 | 4.27 | -0.01 |
| Nov | 3.32 | 3.35 | -0.03 |
| Dec | 4.27 | 4.40 | -0.13 |
48.66 | 49.00 | -0.34 |