| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.54 | -0.06 |
| Feb | 2.91 | 2.94 | -0.03 |
| Mar | 4.09 | 4.14 | -0.05 |
| Apr | 4.99 | 5.21 | -0.22 |
| May | 5.20 | 5.33 | -0.13 |
| Jun | 4.86 | 5.20 | -0.34 |
| Jul | 4.30 | 4.48 | -0.18 |
| Aug | 3.78 | 3.99 | -0.21 |
| Sep | 3.28 | 3.38 | -0.10 |
| Oct | 3.39 | 3.54 | -0.15 |
| Nov | 3.66 | 3.71 | -0.05 |
| Dec | 3.71 | 3.78 | -0.07 |
47.65 | 49.24 | -1.59 |