| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.04 | 0.03 |
| Feb | 1.16 | 1.09 | 0.07 |
| Mar | 1.86 | 1.84 | 0.02 |
| Apr | 3.17 | 3.01 | 0.16 |
| May | 4.13 | 4.00 | 0.13 |
| Jun | 4.85 | 4.65 | 0.20 |
| Jul | 3.64 | 3.62 | 0.02 |
| Aug | 4.19 | 3.96 | 0.23 |
| Sep | 3.59 | 3.59 | 0.00 |
| Oct | 2.68 | 2.51 | 0.17 |
| Nov | 1.86 | 1.75 | 0.11 |
| Dec | 1.28 | 1.33 | -0.05 |
33.48 | 32.39 | 1.09 |