| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.95 | -0.23 |
| Feb | 2.96 | 3.38 | -0.42 |
| Mar | 4.50 | 4.83 | -0.33 |
| Apr | 3.58 | 3.56 | 0.02 |
| May | 3.44 | 3.76 | -0.32 |
| Jun | 3.78 | 3.92 | -0.14 |
| Jul | 4.55 | 4.38 | 0.17 |
| Aug | 4.41 | 4.71 | -0.30 |
| Sep | 3.82 | 3.91 | -0.09 |
| Oct | 3.95 | 4.43 | -0.48 |
| Nov | 3.18 | 3.55 | -0.37 |
| Dec | 4.42 | 4.82 | -0.40 |
46.31 | 49.20 | -2.89 |