| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.46 | -0.16 |
| Feb | 3.31 | 3.27 | 0.04 |
| Mar | 4.51 | 4.45 | 0.06 |
| Apr | 5.05 | 5.17 | -0.12 |
| May | 5.02 | 5.03 | -0.01 |
| Jun | 4.22 | 4.25 | -0.03 |
| Jul | 4.19 | 4.28 | -0.09 |
| Aug | 2.95 | 3.09 | -0.14 |
| Sep | 3.43 | 3.49 | -0.06 |
| Oct | 3.36 | 3.41 | -0.05 |
| Nov | 3.91 | 3.87 | 0.04 |
| Dec | 4.00 | 3.99 | 0.01 |
47.25 | 47.76 | -0.51 |