| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.47 | -0.10 |
| Feb | 1.33 | 1.50 | -0.17 |
| Mar | 2.05 | 1.97 | 0.08 |
| Apr | 3.64 | 3.71 | -0.07 |
| May | 4.12 | 4.05 | 0.07 |
| Jun | 5.09 | 5.22 | -0.13 |
| Jul | 4.01 | 4.14 | -0.13 |
| Aug | 4.00 | 4.12 | -0.12 |
| Sep | 3.31 | 3.45 | -0.14 |
| Oct | 2.76 | 2.88 | -0.12 |
| Nov | 2.13 | 2.14 | -0.01 |
| Dec | 1.61 | 1.71 | -0.10 |
35.42 | 36.36 | -0.94 |