| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.47 | 0.12 |
| Feb | 3.87 | 3.88 | -0.01 |
| Mar | 5.10 | 4.96 | 0.14 |
| Apr | 5.34 | 5.31 | 0.03 |
| May | 5.47 | 5.36 | 0.11 |
| Jun | 3.61 | 3.56 | 0.05 |
| Jul | 3.91 | 3.66 | 0.25 |
| Aug | 3.71 | 3.51 | 0.20 |
| Sep | 3.62 | 3.45 | 0.17 |
| Oct | 4.11 | 4.00 | 0.11 |
| Nov | 4.84 | 4.76 | 0.08 |
| Dec | 4.71 | 4.79 | -0.08 |
51.88 | 50.71 | 1.17 |