| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.46 | -0.13 |
| Feb | 2.86 | 2.97 | -0.11 |
| Mar | 3.46 | 3.59 | -0.13 |
| Apr | 3.81 | 4.03 | -0.22 |
| May | 4.13 | 4.34 | -0.21 |
| Jun | 5.06 | 4.95 | 0.11 |
| Jul | 4.96 | 5.10 | -0.14 |
| Aug | 4.49 | 4.72 | -0.23 |
| Sep | 4.01 | 4.02 | -0.01 |
| Oct | 4.90 | 5.09 | -0.19 |
| Nov | 3.65 | 3.74 | -0.09 |
| Dec | 4.06 | 4.20 | -0.14 |
48.72 | 50.21 | -1.49 |