| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.24 | -0.08 |
| Feb | 1.06 | 1.10 | -0.04 |
| Mar | 1.92 | 1.87 | 0.05 |
| Apr | 3.40 | 3.41 | -0.01 |
| May | 3.99 | 4.01 | -0.02 |
| Jun | 4.58 | 4.70 | -0.12 |
| Jul | 3.76 | 3.88 | -0.12 |
| Aug | 3.90 | 3.84 | 0.06 |
| Sep | 3.48 | 3.44 | 0.04 |
| Oct | 2.74 | 2.71 | 0.03 |
| Nov | 1.97 | 1.92 | 0.05 |
| Dec | 1.57 | 1.55 | 0.02 |
33.53 | 33.67 | -0.14 |