| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.73 | -0.08 |
| Feb | 2.14 | 2.15 | -0.01 |
| Mar | 3.03 | 3.01 | 0.02 |
| Apr | 3.68 | 3.82 | -0.14 |
| May | 4.03 | 4.03 | 0.00 |
| Jun | 4.48 | 4.33 | 0.15 |
| Jul | 4.00 | 3.86 | 0.14 |
| Aug | 3.59 | 3.62 | -0.03 |
| Sep | 3.42 | 3.39 | 0.03 |
| Oct | 3.13 | 3.19 | -0.06 |
| Nov | 2.76 | 2.83 | -0.07 |
| Dec | 2.65 | 2.78 | -0.13 |
39.56 | 39.74 | -0.18 |