| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.40 | 0.04 |
| Feb | 0.63 | 0.65 | -0.02 |
| Mar | 1.11 | 1.10 | 0.01 |
| Apr | 1.99 | 1.87 | 0.12 |
| May | 2.83 | 2.84 | -0.01 |
| Jun | 1.33 | 1.30 | 0.03 |
| Jul | 0.73 | 0.67 | 0.06 |
| Aug | 0.69 | 0.68 | 0.01 |
| Sep | 1.14 | 1.04 | 0.10 |
| Oct | 1.36 | 1.28 | 0.08 |
| Nov | 0.68 | 0.75 | -0.07 |
| Dec | 0.52 | 0.54 | -0.02 |
13.45 | 13.12 | 0.33 |