| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.54 | -0.11 |
| Feb | 2.05 | 2.12 | -0.07 |
| Mar | 2.32 | 2.50 | -0.18 |
| Apr | 3.16 | 3.20 | -0.04 |
| May | 3.50 | 3.58 | -0.08 |
| Jun | 4.04 | 4.05 | -0.01 |
| Jul | 3.82 | 3.97 | -0.15 |
| Aug | 3.76 | 3.80 | -0.04 |
| Sep | 3.47 | 3.49 | -0.02 |
| Oct | 3.96 | 4.00 | -0.04 |
| Nov | 2.88 | 2.98 | -0.10 |
| Dec | 2.83 | 3.01 | -0.18 |
38.22 | 39.24 | -1.02 |