| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.74 | -0.22 |
| Feb | 2.11 | 2.15 | -0.04 |
| Mar | 2.74 | 2.82 | -0.08 |
| Apr | 3.61 | 3.83 | -0.22 |
| May | 4.00 | 4.09 | -0.09 |
| Jun | 4.30 | 4.54 | -0.24 |
| Jul | 3.93 | 4.05 | -0.12 |
| Aug | 3.41 | 3.41 | 0.00 |
| Sep | 3.17 | 3.19 | -0.02 |
| Oct | 2.73 | 2.80 | -0.07 |
| Nov | 2.76 | 2.85 | -0.09 |
| Dec | 2.53 | 2.73 | -0.20 |
37.81 | 39.20 | -1.39 |