| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.84 | -0.13 |
| Feb | 3.62 | 3.87 | -0.25 |
| Mar | 4.00 | 4.21 | -0.21 |
| Apr | 4.02 | 4.14 | -0.12 |
| May | 4.49 | 4.50 | -0.01 |
| Jun | 4.18 | 4.58 | -0.40 |
| Jul | 5.01 | 5.80 | -0.79 |
| Aug | 4.17 | 4.63 | -0.46 |
| Sep | 3.19 | 3.21 | -0.02 |
| Oct | 2.97 | 2.74 | 0.23 |
| Nov | 3.19 | 3.00 | 0.19 |
| Dec | 3.84 | 4.06 | -0.22 |
46.39 | 48.58 | -2.19 |