| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.90 | 0.09 |
| Feb | 1.33 | 1.24 | 0.09 |
| Mar | 2.26 | 2.27 | -0.01 |
| Apr | 3.76 | 3.70 | 0.06 |
| May | 5.15 | 5.11 | 0.04 |
| Jun | 5.02 | 5.12 | -0.10 |
| Jul | 5.01 | 4.64 | 0.37 |
| Aug | 4.00 | 3.81 | 0.19 |
| Sep | 3.68 | 3.82 | -0.14 |
| Oct | 3.11 | 3.04 | 0.07 |
| Nov | 2.01 | 1.84 | 0.17 |
| Dec | 1.52 | 1.45 | 0.07 |
37.84 | 36.94 | 0.90 |