| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.71 | -0.11 |
| Feb | 3.38 | 3.53 | -0.15 |
| Mar | 4.65 | 4.67 | -0.02 |
| Apr | 5.10 | 5.05 | 0.05 |
| May | 4.91 | 5.08 | -0.17 |
| Jun | 4.47 | 4.52 | -0.05 |
| Jul | 4.18 | 4.23 | -0.05 |
| Aug | 3.25 | 3.03 | 0.22 |
| Sep | 3.34 | 3.27 | 0.07 |
| Oct | 3.67 | 3.52 | 0.15 |
| Nov | 4.16 | 4.14 | 0.02 |
| Dec | 3.96 | 4.07 | -0.11 |
48.67 | 48.82 | -0.15 |