| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.08 | -0.19 |
| Feb | 1.84 | 1.98 | -0.14 |
| Mar | 2.33 | 2.30 | 0.03 |
| Apr | 3.83 | 3.84 | -0.01 |
| May | 4.73 | 4.71 | 0.02 |
| Jun | 4.45 | 4.41 | 0.04 |
| Jul | 3.73 | 3.75 | -0.02 |
| Aug | 3.86 | 4.06 | -0.20 |
| Sep | 3.32 | 3.28 | 0.04 |
| Oct | 3.40 | 3.47 | -0.07 |
| Nov | 2.51 | 2.63 | -0.12 |
| Dec | 2.09 | 2.20 | -0.11 |
37.98 | 38.71 | -0.73 |