| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.45 | -0.26 |
| Feb | 2.76 | 2.98 | -0.22 |
| Mar | 3.42 | 3.84 | -0.42 |
| Apr | 4.01 | 4.07 | -0.06 |
| May | 3.64 | 3.85 | -0.21 |
| Jun | 4.78 | 4.91 | -0.13 |
| Jul | 4.15 | 3.99 | 0.16 |
| Aug | 3.82 | 4.01 | -0.19 |
| Sep | 3.46 | 3.44 | 0.02 |
| Oct | 5.11 | 5.41 | -0.30 |
| Nov | 4.28 | 4.21 | 0.07 |
| Dec | 4.05 | 4.30 | -0.25 |
46.67 | 48.46 | -1.79 |