| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.07 | 0.03 |
| Feb | 2.88 | 2.89 | -0.01 |
| Mar | 3.43 | 3.33 | 0.10 |
| Apr | 3.65 | 3.56 | 0.09 |
| May | 3.69 | 3.53 | 0.16 |
| Jun | 4.13 | 4.27 | -0.14 |
| Jul | 4.35 | 4.49 | -0.14 |
| Aug | 3.84 | 3.90 | -0.06 |
| Sep | 3.81 | 3.59 | 0.22 |
| Oct | 4.83 | 4.89 | -0.06 |
| Nov | 3.80 | 3.66 | 0.14 |
| Dec | 4.05 | 3.95 | 0.10 |
45.56 | 45.13 | 0.43 |