| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.97 | -0.15 |
| Feb | 2.44 | 2.55 | -0.11 |
| Mar | 3.28 | 3.66 | -0.38 |
| Apr | 3.18 | 3.33 | -0.15 |
| May | 4.09 | 4.43 | -0.34 |
| Jun | 4.02 | 4.18 | -0.16 |
| Jul | 4.16 | 3.98 | 0.18 |
| Aug | 3.46 | 3.57 | -0.11 |
| Sep | 3.96 | 4.19 | -0.23 |
| Oct | 3.63 | 3.70 | -0.07 |
| Nov | 2.91 | 3.13 | -0.22 |
| Dec | 3.31 | 3.45 | -0.14 |
41.26 | 43.14 | -1.88 |