| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.77 | -0.04 |
| Feb | 3.53 | 3.48 | 0.05 |
| Mar | 4.31 | 4.77 | -0.46 |
| Apr | 4.32 | 4.38 | -0.06 |
| May | 4.99 | 4.93 | 0.06 |
| Jun | 4.55 | 4.71 | -0.16 |
| Jul | 5.06 | 5.17 | -0.11 |
| Aug | 3.80 | 4.02 | -0.22 |
| Sep | 3.54 | 3.40 | 0.14 |
| Oct | 3.18 | 3.10 | 0.08 |
| Nov | 2.99 | 3.01 | -0.02 |
| Dec | 3.71 | 3.85 | -0.14 |
47.71 | 48.59 | -0.88 |