| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.27 | -0.03 |
| Feb | 1.93 | 1.84 | 0.09 |
| Mar | 2.33 | 2.42 | -0.09 |
| Apr | 3.05 | 2.99 | 0.06 |
| May | 3.56 | 3.46 | 0.10 |
| Jun | 4.18 | 4.22 | -0.04 |
| Jul | 4.00 | 4.12 | -0.12 |
| Aug | 3.67 | 3.58 | 0.09 |
| Sep | 3.48 | 3.43 | 0.05 |
| Oct | 3.82 | 3.64 | 0.18 |
| Nov | 2.73 | 2.85 | -0.12 |
| Dec | 2.71 | 2.74 | -0.03 |
37.70 | 37.56 | 0.14 |