| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.97 | 0.02 |
| Feb | 1.01 | 1.00 | 0.01 |
| Mar | 1.96 | 1.91 | 0.05 |
| Apr | 3.45 | 3.38 | 0.07 |
| May | 4.50 | 4.31 | 0.19 |
| Jun | 5.38 | 5.33 | 0.05 |
| Jul | 4.38 | 4.30 | 0.08 |
| Aug | 4.35 | 4.41 | -0.06 |
| Sep | 3.68 | 3.51 | 0.17 |
| Oct | 2.49 | 2.34 | 0.15 |
| Nov | 1.77 | 1.66 | 0.11 |
| Dec | 1.23 | 1.21 | 0.02 |
35.19 | 34.33 | 0.86 |