| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.82 | -0.01 |
| Feb | 0.89 | 0.87 | 0.02 |
| Mar | 1.75 | 1.67 | 0.08 |
| Apr | 3.19 | 3.06 | 0.13 |
| May | 4.30 | 4.26 | 0.04 |
| Jun | 5.14 | 5.16 | -0.02 |
| Jul | 4.03 | 4.07 | -0.04 |
| Aug | 4.00 | 4.02 | -0.02 |
| Sep | 3.26 | 3.25 | 0.01 |
| Oct | 2.53 | 2.55 | -0.02 |
| Nov | 1.53 | 1.45 | 0.08 |
| Dec | 1.12 | 1.10 | 0.02 |
32.55 | 32.28 | 0.27 |