| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.40 | -0.07 |
| Feb | 2.96 | 3.13 | -0.17 |
| Mar | 3.78 | 3.94 | -0.16 |
| Apr | 3.72 | 3.87 | -0.15 |
| May | 4.28 | 4.36 | -0.08 |
| Jun | 4.44 | 4.63 | -0.19 |
| Jul | 4.53 | 4.58 | -0.05 |
| Aug | 3.58 | 3.53 | 0.05 |
| Sep | 3.34 | 3.44 | -0.10 |
| Oct | 2.97 | 2.98 | -0.01 |
| Nov | 2.90 | 2.91 | -0.01 |
| Dec | 3.39 | 3.45 | -0.06 |
43.22 | 44.22 | -1.00 |