| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.76 | 0.01 |
| Feb | 0.81 | 0.84 | -0.03 |
| Mar | 1.46 | 1.48 | -0.02 |
| Apr | 2.57 | 2.55 | 0.02 |
| May | 3.48 | 3.52 | -0.04 |
| Jun | 4.53 | 4.51 | 0.02 |
| Jul | 4.49 | 4.62 | -0.13 |
| Aug | 3.81 | 3.88 | -0.07 |
| Sep | 3.24 | 3.25 | -0.01 |
| Oct | 2.99 | 3.01 | -0.02 |
| Nov | 1.56 | 1.56 | 0.00 |
| Dec | 1.11 | 1.17 | -0.06 |
30.82 | 31.15 | -0.33 |