| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.50 | -0.10 |
| Feb | 3.32 | 3.38 | -0.06 |
| Mar | 4.58 | 4.53 | 0.05 |
| Apr | 5.25 | 5.29 | -0.04 |
| May | 5.29 | 5.18 | 0.11 |
| Jun | 4.40 | 4.50 | -0.10 |
| Jul | 4.28 | 4.37 | -0.09 |
| Aug | 3.02 | 3.12 | -0.10 |
| Sep | 3.53 | 3.67 | -0.14 |
| Oct | 3.49 | 3.50 | -0.01 |
| Nov | 4.06 | 4.00 | 0.06 |
| Dec | 4.03 | 4.12 | -0.09 |
48.65 | 49.16 | -0.51 |