| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.05 | -0.03 |
| Feb | 3.17 | 3.14 | 0.03 |
| Mar | 3.49 | 3.55 | -0.06 |
| Apr | 3.72 | 3.66 | 0.06 |
| May | 4.90 | 5.06 | -0.16 |
| Jun | 4.75 | 4.57 | 0.18 |
| Jul | 3.13 | 3.03 | 0.10 |
| Aug | 3.71 | 3.96 | -0.25 |
| Sep | 3.87 | 4.01 | -0.14 |
| Oct | 5.01 | 4.92 | 0.09 |
| Nov | 4.50 | 4.51 | -0.01 |
| Dec | 4.11 | 4.11 | 0.00 |
48.38 | 48.57 | -0.19 |