| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.59 | -0.12 |
| Feb | 1.96 | 2.14 | -0.18 |
| Mar | 2.39 | 2.53 | -0.14 |
| Apr | 2.97 | 3.05 | -0.08 |
| May | 2.95 | 2.98 | -0.03 |
| Jun | 3.27 | 3.50 | -0.23 |
| Jul | 3.38 | 3.43 | -0.05 |
| Aug | 3.16 | 3.24 | -0.08 |
| Sep | 3.22 | 3.17 | 0.05 |
| Oct | 3.49 | 3.61 | -0.12 |
| Nov | 2.81 | 2.84 | -0.03 |
| Dec | 2.71 | 2.92 | -0.21 |
34.78 | 36.00 | -1.22 |