| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.73 | 4.54 | 0.19 |
| Feb | 4.94 | 4.75 | 0.19 |
| Mar | 5.01 | 4.85 | 0.16 |
| Apr | 4.73 | 4.82 | -0.09 |
| May | 3.76 | 3.89 | -0.13 |
| Jun | 4.27 | 4.52 | -0.25 |
| Jul | 4.53 | 4.98 | -0.45 |
| Aug | 3.50 | 3.34 | 0.16 |
| Sep | 3.76 | 3.66 | 0.10 |
| Oct | 3.38 | 2.84 | 0.54 |
| Nov | 4.15 | 3.69 | 0.46 |
| Dec | 5.53 | 5.12 | 0.41 |
52.29 | 51.00 | 1.29 |