| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.51 | 5.55 | -0.04 |
| Feb | 5.28 | 5.44 | -0.16 |
| Mar | 5.51 | 5.59 | -0.08 |
| Apr | 5.26 | 5.41 | -0.15 |
| May | 4.56 | 4.84 | -0.28 |
| Jun | 4.44 | 4.55 | -0.11 |
| Jul | 4.42 | 4.53 | -0.11 |
| Aug | 3.86 | 3.85 | 0.01 |
| Sep | 3.99 | 4.05 | -0.06 |
| Oct | 3.74 | 3.70 | 0.04 |
| Nov | 4.33 | 4.36 | -0.03 |
| Dec | 5.66 | 5.78 | -0.12 |
56.56 | 57.65 | -1.09 |