| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.05 | 4.06 | -0.01 |
| Feb | 4.38 | 4.47 | -0.09 |
| Mar | 4.73 | 4.76 | -0.03 |
| Apr | 5.07 | 5.02 | 0.05 |
| May | 5.35 | 5.45 | -0.10 |
| Jun | 4.16 | 4.27 | -0.11 |
| Jul | 4.45 | 4.56 | -0.11 |
| Aug | 3.81 | 3.71 | 0.10 |
| Sep | 3.67 | 3.81 | -0.14 |
| Oct | 3.72 | 3.70 | 0.02 |
| Nov | 3.72 | 3.74 | -0.02 |
| Dec | 4.74 | 4.81 | -0.07 |
51.85 | 52.36 | -0.51 |