| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.57 | -0.12 |
| Feb | 2.79 | 2.88 | -0.09 |
| Mar | 4.20 | 4.31 | -0.11 |
| Apr | 3.69 | 3.69 | 0.00 |
| May | 3.76 | 3.86 | -0.10 |
| Jun | 4.33 | 4.36 | -0.03 |
| Jul | 4.58 | 4.60 | -0.02 |
| Aug | 4.43 | 4.60 | -0.17 |
| Sep | 4.79 | 4.99 | -0.20 |
| Oct | 4.13 | 4.38 | -0.25 |
| Nov | 3.32 | 3.31 | 0.01 |
| Dec | 4.10 | 4.41 | -0.31 |
47.57 | 48.96 | -1.39 |