| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.47 | -0.20 |
| Feb | 2.78 | 2.92 | -0.14 |
| Mar | 3.90 | 4.24 | -0.34 |
| Apr | 3.89 | 4.01 | -0.12 |
| May | 3.75 | 3.95 | -0.20 |
| Jun | 4.55 | 4.76 | -0.21 |
| Jul | 4.33 | 4.50 | -0.17 |
| Aug | 4.49 | 4.60 | -0.11 |
| Sep | 4.22 | 4.41 | -0.19 |
| Oct | 4.50 | 4.65 | -0.15 |
| Nov | 3.69 | 3.79 | -0.10 |
| Dec | 4.07 | 4.40 | -0.33 |
47.44 | 49.70 | -2.26 |