| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.16 | -0.14 |
| Feb | 0.97 | 1.16 | -0.19 |
| Mar | 1.44 | 1.55 | -0.11 |
| Apr | 2.43 | 2.67 | -0.24 |
| May | 3.11 | 3.28 | -0.17 |
| Jun | 4.16 | 4.39 | -0.23 |
| Jul | 3.68 | 3.77 | -0.09 |
| Aug | 3.24 | 3.39 | -0.15 |
| Sep | 3.26 | 3.59 | -0.33 |
| Oct | 2.98 | 3.15 | -0.17 |
| Nov | 1.93 | 2.16 | -0.23 |
| Dec | 1.48 | 1.67 | -0.19 |
29.70 | 31.94 | -2.24 |