| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.04 | 0.03 |
| Feb | 1.16 | 1.08 | 0.08 |
| Mar | 1.86 | 1.82 | 0.04 |
| Apr | 3.17 | 3.04 | 0.13 |
| May | 4.13 | 4.03 | 0.10 |
| Jun | 4.86 | 4.71 | 0.15 |
| Jul | 3.66 | 3.68 | -0.02 |
| Aug | 4.19 | 4.02 | 0.17 |
| Sep | 3.62 | 3.62 | 0.00 |
| Oct | 2.68 | 2.54 | 0.14 |
| Nov | 1.87 | 1.75 | 0.12 |
| Dec | 1.29 | 1.33 | -0.04 |
33.56 | 32.66 | 0.90 |