| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.57 | -0.25 |
| Feb | 3.17 | 3.39 | -0.22 |
| Mar | 4.25 | 4.45 | -0.20 |
| Apr | 3.91 | 4.02 | -0.11 |
| May | 4.85 | 4.98 | -0.13 |
| Jun | 4.76 | 4.86 | -0.10 |
| Jul | 5.24 | 5.58 | -0.34 |
| Aug | 3.95 | 4.40 | -0.45 |
| Sep | 3.52 | 3.86 | -0.34 |
| Oct | 3.10 | 3.24 | -0.14 |
| Nov | 3.06 | 3.24 | -0.18 |
| Dec | 3.75 | 4.12 | -0.37 |
46.88 | 49.71 | -2.83 |