| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.93 | -0.19 |
| Feb | 2.19 | 2.25 | -0.06 |
| Mar | 2.92 | 3.03 | -0.11 |
| Apr | 3.76 | 3.87 | -0.11 |
| May | 4.26 | 4.30 | -0.04 |
| Jun | 4.57 | 4.72 | -0.15 |
| Jul | 4.24 | 4.25 | -0.01 |
| Aug | 3.53 | 3.47 | 0.06 |
| Sep | 3.12 | 3.01 | 0.11 |
| Oct | 2.79 | 2.83 | -0.04 |
| Nov | 2.84 | 2.87 | -0.03 |
| Dec | 2.70 | 2.92 | -0.22 |
39.66 | 40.45 | -0.79 |