| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 2.19 | -0.09 |
| Feb | 1.90 | 1.91 | -0.01 |
| Mar | 2.57 | 2.61 | -0.04 |
| Apr | 3.79 | 3.74 | 0.05 |
| May | 4.43 | 4.46 | -0.03 |
| Jun | 4.62 | 4.56 | 0.06 |
| Jul | 4.27 | 4.33 | -0.06 |
| Aug | 3.62 | 3.49 | 0.13 |
| Sep | 3.14 | 3.09 | 0.05 |
| Oct | 3.16 | 3.25 | -0.09 |
| Nov | 2.85 | 2.78 | 0.07 |
| Dec | 2.19 | 2.21 | -0.02 |
38.64 | 38.62 | 0.02 |