| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.76 | -0.18 |
| Feb | 1.32 | 1.49 | -0.17 |
| Mar | 1.84 | 1.97 | -0.13 |
| Apr | 3.42 | 3.48 | -0.06 |
| May | 3.60 | 3.66 | -0.06 |
| Jun | 3.93 | 3.99 | -0.06 |
| Jul | 3.41 | 3.38 | 0.03 |
| Aug | 3.33 | 3.48 | -0.15 |
| Sep | 2.59 | 2.61 | -0.02 |
| Oct | 2.86 | 2.91 | -0.05 |
| Nov | 2.13 | 2.17 | -0.04 |
| Dec | 1.80 | 1.94 | -0.14 |
31.81 | 32.84 | -1.03 |