| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.43 | 0.17 |
| Feb | 2.21 | 2.14 | 0.07 |
| Mar | 2.92 | 2.89 | 0.03 |
| Apr | 3.35 | 3.42 | -0.07 |
| May | 3.48 | 3.49 | -0.01 |
| Jun | 4.27 | 4.32 | -0.05 |
| Jul | 4.00 | 4.14 | -0.14 |
| Aug | 3.89 | 4.10 | -0.21 |
| Sep | 4.05 | 4.08 | -0.03 |
| Oct | 3.88 | 3.96 | -0.08 |
| Nov | 3.08 | 3.10 | -0.02 |
| Dec | 3.05 | 2.84 | 0.21 |
40.78 | 40.91 | -0.13 |