| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.41 | -0.21 |
| Feb | 2.79 | 2.80 | -0.01 |
| Mar | 3.89 | 4.01 | -0.12 |
| Apr | 3.71 | 3.68 | 0.03 |
| May | 3.82 | 3.77 | 0.05 |
| Jun | 4.36 | 4.12 | 0.24 |
| Jul | 4.85 | 4.65 | 0.20 |
| Aug | 4.28 | 4.43 | -0.15 |
| Sep | 4.76 | 4.76 | 0.00 |
| Oct | 4.05 | 4.29 | -0.24 |
| Nov | 3.15 | 3.21 | -0.06 |
| Dec | 3.99 | 4.22 | -0.23 |
46.85 | 47.35 | -0.50 |