| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.84 | -0.01 |
| Feb | 1.09 | 1.09 | 0.00 |
| Mar | 2.21 | 2.11 | 0.10 |
| Apr | 2.68 | 2.56 | 0.12 |
| May | 4.14 | 3.87 | 0.27 |
| Jun | 4.31 | 4.09 | 0.22 |
| Jul | 3.30 | 3.31 | -0.01 |
| Aug | 3.56 | 3.40 | 0.16 |
| Sep | 2.39 | 2.33 | 0.06 |
| Oct | 2.59 | 2.58 | 0.01 |
| Nov | 1.42 | 1.35 | 0.07 |
| Dec | 1.24 | 1.17 | 0.07 |
29.76 | 28.70 | 1.06 |