| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.72 | -0.09 |
| Feb | 3.66 | 3.82 | -0.16 |
| Mar | 4.60 | 4.84 | -0.24 |
| Apr | 5.29 | 5.23 | 0.06 |
| May | 4.97 | 5.23 | -0.26 |
| Jun | 4.12 | 3.95 | 0.17 |
| Jul | 3.94 | 4.00 | -0.06 |
| Aug | 3.06 | 2.89 | 0.17 |
| Sep | 3.17 | 3.36 | -0.19 |
| Oct | 3.82 | 3.85 | -0.03 |
| Nov | 4.22 | 4.39 | -0.17 |
| Dec | 4.17 | 4.28 | -0.11 |
48.65 | 49.56 | -0.91 |