| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.80 | -0.08 |
| Feb | 2.24 | 2.23 | 0.01 |
| Mar | 3.12 | 3.15 | -0.03 |
| Apr | 3.97 | 4.05 | -0.08 |
| May | 4.20 | 4.28 | -0.08 |
| Jun | 4.45 | 4.39 | 0.06 |
| Jul | 3.98 | 4.06 | -0.08 |
| Aug | 3.46 | 3.38 | 0.08 |
| Sep | 2.93 | 2.88 | 0.05 |
| Oct | 2.85 | 2.86 | -0.01 |
| Nov | 3.10 | 3.08 | 0.02 |
| Dec | 2.74 | 2.81 | -0.07 |
39.76 | 39.97 | -0.21 |