| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.48 | -0.14 |
| Feb | 3.27 | 3.26 | 0.01 |
| Mar | 4.55 | 4.51 | 0.04 |
| Apr | 5.13 | 5.28 | -0.15 |
| May | 5.16 | 5.18 | -0.02 |
| Jun | 4.36 | 4.40 | -0.04 |
| Jul | 4.28 | 4.36 | -0.08 |
| Aug | 3.04 | 3.10 | -0.06 |
| Sep | 3.47 | 3.51 | -0.04 |
| Oct | 3.44 | 3.45 | -0.01 |
| Nov | 3.99 | 3.95 | 0.04 |
| Dec | 3.96 | 4.02 | -0.06 |
47.99 | 48.50 | -0.51 |