| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.28 | 0.03 |
| Feb | 2.75 | 2.85 | -0.10 |
| Mar | 4.17 | 4.33 | -0.16 |
| Apr | 3.72 | 3.65 | 0.07 |
| May | 4.06 | 4.29 | -0.23 |
| Jun | 4.47 | 4.32 | 0.15 |
| Jul | 4.66 | 4.69 | -0.03 |
| Aug | 4.26 | 4.14 | 0.12 |
| Sep | 4.86 | 4.80 | 0.06 |
| Oct | 4.20 | 4.56 | -0.36 |
| Nov | 3.44 | 3.46 | -0.02 |
| Dec | 3.90 | 4.12 | -0.22 |
47.80 | 48.49 | -0.69 |