| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.89 | 0.03 |
| Feb | 4.33 | 4.35 | -0.02 |
| Mar | 4.67 | 4.72 | -0.05 |
| Apr | 5.02 | 5.07 | -0.05 |
| May | 5.45 | 5.48 | -0.03 |
| Jun | 4.16 | 4.19 | -0.03 |
| Jul | 4.36 | 4.47 | -0.11 |
| Aug | 3.70 | 3.61 | 0.09 |
| Sep | 3.64 | 3.71 | -0.07 |
| Oct | 3.74 | 3.83 | -0.09 |
| Nov | 3.74 | 3.69 | 0.05 |
| Dec | 4.75 | 4.70 | 0.05 |
51.48 | 51.71 | -0.23 |