| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.60 | -0.11 |
| Feb | 2.90 | 3.04 | -0.14 |
| Mar | 4.07 | 4.03 | 0.04 |
| Apr | 3.53 | 3.65 | -0.12 |
| May | 3.73 | 3.90 | -0.17 |
| Jun | 4.33 | 4.18 | 0.15 |
| Jul | 5.17 | 5.57 | -0.40 |
| Aug | 4.91 | 5.38 | -0.47 |
| Sep | 4.75 | 5.07 | -0.32 |
| Oct | 4.02 | 4.56 | -0.54 |
| Nov | 3.08 | 3.16 | -0.08 |
| Dec | 3.64 | 3.74 | -0.10 |
47.62 | 49.88 | -2.26 |