| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.65 | -0.13 |
| Feb | 3.38 | 3.43 | -0.05 |
| Mar | 4.61 | 4.64 | -0.03 |
| Apr | 5.20 | 5.10 | 0.10 |
| May | 5.18 | 5.24 | -0.06 |
| Jun | 4.36 | 4.66 | -0.30 |
| Jul | 4.15 | 4.14 | 0.01 |
| Aug | 3.30 | 3.17 | 0.13 |
| Sep | 3.78 | 3.66 | 0.12 |
| Oct | 3.46 | 3.55 | -0.09 |
| Nov | 3.71 | 3.81 | -0.10 |
| Dec | 4.01 | 4.17 | -0.16 |
48.66 | 49.22 | -0.56 |