| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.57 | -0.05 |
| Feb | 3.64 | 3.53 | 0.11 |
| Mar | 4.52 | 4.43 | 0.09 |
| Apr | 4.50 | 4.40 | 0.10 |
| May | 5.25 | 5.32 | -0.07 |
| Jun | 4.78 | 4.73 | 0.05 |
| Jul | 5.40 | 5.28 | 0.12 |
| Aug | 3.97 | 3.73 | 0.24 |
| Sep | 3.82 | 3.74 | 0.08 |
| Oct | 3.46 | 3.33 | 0.13 |
| Nov | 3.33 | 3.21 | 0.12 |
| Dec | 4.26 | 4.26 | 0.00 |
50.45 | 49.53 | 0.92 |