| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.61 | -0.38 |
| Feb | 2.88 | 3.18 | -0.30 |
| Mar | 3.82 | 4.15 | -0.33 |
| Apr | 3.89 | 4.22 | -0.33 |
| May | 3.55 | 3.56 | -0.01 |
| Jun | 4.17 | 4.17 | 0.00 |
| Jul | 4.02 | 4.09 | -0.07 |
| Aug | 4.01 | 4.05 | -0.04 |
| Sep | 4.17 | 4.24 | -0.07 |
| Oct | 4.57 | 5.08 | -0.51 |
| Nov | 3.58 | 3.89 | -0.31 |
| Dec | 4.09 | 4.56 | -0.47 |
45.98 | 48.80 | -2.82 |