| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.60 | -0.10 |
| Feb | 3.37 | 3.41 | -0.04 |
| Mar | 4.47 | 4.52 | -0.05 |
| Apr | 5.04 | 5.04 | 0.00 |
| May | 5.33 | 5.44 | -0.11 |
| Jun | 4.91 | 4.82 | 0.09 |
| Jul | 4.56 | 4.50 | 0.06 |
| Aug | 3.84 | 3.44 | 0.40 |
| Sep | 3.58 | 3.75 | -0.17 |
| Oct | 3.78 | 3.60 | 0.18 |
| Nov | 3.64 | 3.70 | -0.06 |
| Dec | 4.17 | 4.31 | -0.14 |
50.19 | 50.13 | 0.06 |