| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.55 | -0.07 |
| Feb | 2.22 | 2.35 | -0.13 |
| Mar | 3.52 | 3.50 | 0.02 |
| Apr | 4.70 | 4.72 | -0.02 |
| May | 4.96 | 5.06 | -0.10 |
| Jun | 4.43 | 4.47 | -0.04 |
| Jul | 3.70 | 3.89 | -0.19 |
| Aug | 3.63 | 3.55 | 0.08 |
| Sep | 3.31 | 3.24 | 0.07 |
| Oct | 3.16 | 3.23 | -0.07 |
| Nov | 3.41 | 3.47 | -0.06 |
| Dec | 2.57 | 2.71 | -0.14 |
42.09 | 42.74 | -0.65 |