| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.61 | -0.16 |
| Feb | 2.79 | 2.92 | -0.13 |
| Mar | 4.17 | 4.31 | -0.14 |
| Apr | 3.78 | 3.89 | -0.11 |
| May | 3.87 | 3.92 | -0.05 |
| Jun | 4.50 | 4.51 | -0.01 |
| Jul | 4.76 | 4.95 | -0.19 |
| Aug | 4.31 | 4.54 | -0.23 |
| Sep | 4.87 | 4.84 | 0.03 |
| Oct | 4.36 | 4.52 | -0.16 |
| Nov | 3.36 | 3.35 | 0.01 |
| Dec | 4.13 | 4.36 | -0.23 |
48.35 | 49.72 | -1.37 |