| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.86 | -0.15 |
| Feb | 2.30 | 2.68 | -0.38 |
| Mar | 2.88 | 3.12 | -0.24 |
| Apr | 3.45 | 3.60 | -0.15 |
| May | 3.71 | 3.80 | -0.09 |
| Jun | 4.19 | 4.46 | -0.27 |
| Jul | 3.98 | 4.15 | -0.17 |
| Aug | 3.82 | 4.25 | -0.43 |
| Sep | 3.60 | 3.82 | -0.22 |
| Oct | 4.19 | 4.41 | -0.22 |
| Nov | 3.24 | 3.57 | -0.33 |
| Dec | 3.21 | 3.62 | -0.41 |
41.28 | 44.34 | -3.06 |