| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 5.04 | -0.01 |
| Feb | 3.36 | 3.61 | -0.25 |
| Mar | 3.65 | 3.71 | -0.06 |
| Apr | 3.96 | 3.87 | 0.09 |
| May | 4.62 | 4.99 | -0.37 |
| Jun | 6.41 | 6.74 | -0.33 |
| Jul | 5.44 | 5.55 | -0.11 |
| Aug | 6.17 | 6.32 | -0.15 |
| Sep | 6.05 | 6.47 | -0.42 |
| Oct | 5.37 | 5.37 | 0.00 |
| Nov | 4.57 | 4.58 | -0.01 |
| Dec | 4.88 | 4.94 | -0.06 |
59.51 | 61.19 | -1.68 |