| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.53 | -0.15 |
| Feb | 2.80 | 2.93 | -0.13 |
| Mar | 3.97 | 4.03 | -0.06 |
| Apr | 4.02 | 3.88 | 0.14 |
| May | 3.91 | 3.92 | -0.01 |
| Jun | 4.53 | 4.79 | -0.26 |
| Jul | 4.59 | 4.49 | 0.10 |
| Aug | 4.35 | 4.50 | -0.15 |
| Sep | 4.55 | 4.51 | 0.04 |
| Oct | 4.53 | 4.51 | 0.02 |
| Nov | 3.69 | 3.75 | -0.06 |
| Dec | 4.03 | 4.33 | -0.30 |
48.35 | 49.17 | -0.82 |