| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.76 | -0.25 |
| Feb | 2.19 | 2.38 | -0.19 |
| Mar | 2.68 | 2.88 | -0.20 |
| Apr | 3.75 | 3.79 | -0.04 |
| May | 4.25 | 4.14 | 0.11 |
| Jun | 4.22 | 4.16 | 0.06 |
| Jul | 4.20 | 4.03 | 0.17 |
| Aug | 3.53 | 3.50 | 0.03 |
| Sep | 2.99 | 3.01 | -0.02 |
| Oct | 2.82 | 2.89 | -0.07 |
| Nov | 2.85 | 2.98 | -0.13 |
| Dec | 2.50 | 2.60 | -0.10 |
38.49 | 39.12 | -0.63 |