| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.60 | 5.46 | 0.14 |
| Feb | 5.16 | 5.05 | 0.11 |
| Mar | 5.52 | 5.69 | -0.17 |
| Apr | 5.08 | 5.13 | -0.05 |
| May | 4.47 | 4.67 | -0.20 |
| Jun | 5.47 | 5.57 | -0.10 |
| Jul | 4.97 | 5.34 | -0.37 |
| Aug | 5.12 | 4.99 | 0.13 |
| Sep | 4.06 | 4.44 | -0.38 |
| Oct | 3.78 | 3.83 | -0.05 |
| Nov | 4.70 | 4.57 | 0.13 |
| Dec | 5.57 | 5.74 | -0.17 |
59.50 | 60.48 | -0.98 |