| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.62 | -0.18 |
| Feb | 2.07 | 2.23 | -0.16 |
| Mar | 2.65 | 2.72 | -0.07 |
| Apr | 3.71 | 3.83 | -0.12 |
| May | 3.75 | 3.94 | -0.19 |
| Jun | 3.96 | 4.12 | -0.16 |
| Jul | 3.74 | 4.03 | -0.29 |
| Aug | 3.49 | 3.53 | -0.04 |
| Sep | 3.21 | 3.42 | -0.21 |
| Oct | 2.93 | 3.09 | -0.16 |
| Nov | 2.76 | 2.83 | -0.07 |
| Dec | 2.40 | 2.78 | -0.38 |
37.11 | 39.14 | -2.03 |