| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.70 | -0.13 |
| Feb | 0.66 | 0.75 | -0.09 |
| Mar | 1.31 | 1.88 | -0.57 |
| Apr | 2.16 | 2.87 | -0.71 |
| May | 2.33 | 2.74 | -0.41 |
| Jun | 2.10 | 2.00 | 0.10 |
| Jul | 3.34 | 3.04 | 0.30 |
| Aug | 2.87 | 3.26 | -0.39 |
| Sep | 1.48 | 1.82 | -0.34 |
| Oct | 1.10 | 1.34 | -0.24 |
| Nov | 0.79 | 0.94 | -0.15 |
| Dec | 0.59 | 0.76 | -0.17 |
19.30 | 22.10 | -2.80 |