| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.51 | -0.03 |
| Feb | 0.71 | 0.72 | -0.01 |
| Mar | 1.23 | 1.33 | -0.10 |
| Apr | 1.90 | 1.99 | -0.09 |
| May | 3.44 | 3.59 | -0.15 |
| Jun | 3.04 | 3.11 | -0.07 |
| Jul | 3.57 | 3.70 | -0.13 |
| Aug | 2.90 | 3.04 | -0.14 |
| Sep | 1.64 | 1.85 | -0.21 |
| Oct | 1.57 | 1.63 | -0.06 |
| Nov | 0.78 | 0.82 | -0.04 |
| Dec | 0.72 | 0.82 | -0.10 |
21.98 | 23.11 | -1.13 |