| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.38 | -0.17 |
| Feb | 2.68 | 2.82 | -0.14 |
| Mar | 3.68 | 3.91 | -0.23 |
| Apr | 4.49 | 4.65 | -0.16 |
| May | 4.73 | 4.94 | -0.21 |
| Jun | 4.53 | 4.68 | -0.15 |
| Jul | 4.00 | 4.04 | -0.04 |
| Aug | 3.36 | 3.22 | 0.14 |
| Sep | 3.10 | 3.20 | -0.10 |
| Oct | 3.15 | 3.17 | -0.02 |
| Nov | 3.08 | 3.22 | -0.14 |
| Dec | 3.34 | 3.59 | -0.25 |
43.35 | 44.82 | -1.47 |