| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.57 | -0.22 |
| Feb | 2.78 | 2.84 | -0.06 |
| Mar | 4.02 | 4.35 | -0.33 |
| Apr | 3.71 | 3.68 | 0.03 |
| May | 3.69 | 3.85 | -0.16 |
| Jun | 4.18 | 4.28 | -0.10 |
| Jul | 4.72 | 4.70 | 0.02 |
| Aug | 4.28 | 4.72 | -0.44 |
| Sep | 4.19 | 4.24 | -0.05 |
| Oct | 3.79 | 4.01 | -0.22 |
| Nov | 3.24 | 3.24 | 0.00 |
| Dec | 4.14 | 4.37 | -0.23 |
46.09 | 47.85 | -1.76 |