| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.50 | -0.06 |
| Feb | 4.24 | 4.36 | -0.12 |
| Mar | 4.79 | 4.65 | 0.14 |
| Apr | 4.72 | 4.25 | 0.47 |
| May | 4.30 | 3.92 | 0.38 |
| Jun | 5.47 | 4.48 | 0.99 |
| Jul | 5.09 | 4.85 | 0.24 |
| Aug | 4.50 | 3.64 | 0.86 |
| Sep | 3.38 | 3.55 | -0.17 |
| Oct | 3.65 | 2.90 | 0.75 |
| Nov | 4.14 | 3.48 | 0.66 |
| Dec | 4.36 | 5.01 | -0.65 |
53.08 | 49.59 | 3.49 |