| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.28 | -0.10 |
| Feb | 1.14 | 1.15 | -0.01 |
| Mar | 1.96 | 1.97 | -0.01 |
| Apr | 3.78 | 3.87 | -0.09 |
| May | 4.45 | 4.24 | 0.21 |
| Jun | 5.52 | 5.53 | -0.01 |
| Jul | 4.63 | 4.58 | 0.05 |
| Aug | 4.07 | 3.90 | 0.17 |
| Sep | 4.12 | 3.79 | 0.33 |
| Oct | 2.73 | 2.76 | -0.03 |
| Nov | 2.07 | 2.01 | 0.06 |
| Dec | 1.38 | 1.55 | -0.17 |
37.03 | 36.63 | 0.40 |