| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.90 | 0.02 |
| Feb | 1.06 | 1.09 | -0.03 |
| Mar | 1.96 | 1.97 | -0.01 |
| Apr | 3.74 | 3.68 | 0.06 |
| May | 5.07 | 4.87 | 0.20 |
| Jun | 5.41 | 5.40 | 0.01 |
| Jul | 4.10 | 4.14 | -0.04 |
| Aug | 4.41 | 4.52 | -0.11 |
| Sep | 3.19 | 3.25 | -0.06 |
| Oct | 2.49 | 2.63 | -0.14 |
| Nov | 1.66 | 1.63 | 0.03 |
| Dec | 1.26 | 1.35 | -0.09 |
35.27 | 35.43 | -0.16 |