| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.86 | -0.26 |
| Feb | 3.18 | 3.49 | -0.31 |
| Mar | 4.06 | 4.47 | -0.41 |
| Apr | 4.13 | 4.61 | -0.48 |
| May | 3.61 | 3.60 | 0.01 |
| Jun | 4.37 | 4.31 | 0.06 |
| Jul | 3.99 | 3.87 | 0.12 |
| Aug | 3.87 | 3.95 | -0.08 |
| Sep | 4.31 | 4.25 | 0.06 |
| Oct | 4.75 | 5.08 | -0.33 |
| Nov | 3.92 | 3.99 | -0.07 |
| Dec | 4.22 | 4.68 | -0.46 |
48.01 | 50.16 | -2.15 |