| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.64 | -0.11 |
| Feb | 3.00 | 3.10 | -0.10 |
| Mar | 3.79 | 4.01 | -0.22 |
| Apr | 4.01 | 4.06 | -0.05 |
| May | 3.85 | 3.88 | -0.03 |
| Jun | 4.11 | 4.05 | 0.06 |
| Jul | 4.21 | 4.28 | -0.07 |
| Aug | 4.29 | 4.29 | 0.00 |
| Sep | 3.98 | 4.17 | -0.19 |
| Oct | 3.19 | 3.25 | -0.06 |
| Nov | 3.16 | 3.25 | -0.09 |
| Dec | 3.49 | 3.78 | -0.29 |
44.61 | 45.76 | -1.15 |