| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.91 | -0.16 |
| Feb | 4.13 | 4.20 | -0.07 |
| Mar | 4.82 | 4.94 | -0.12 |
| Apr | 4.98 | 5.03 | -0.05 |
| May | 5.35 | 5.41 | -0.06 |
| Jun | 4.76 | 4.74 | 0.02 |
| Jul | 4.44 | 4.50 | -0.06 |
| Aug | 3.55 | 3.55 | 0.00 |
| Sep | 3.76 | 3.75 | 0.01 |
| Oct | 3.98 | 3.98 | 0.00 |
| Nov | 3.77 | 3.82 | -0.05 |
| Dec | 4.65 | 4.78 | -0.13 |
51.94 | 52.61 | -0.67 |