| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.38 | -0.05 |
| Feb | 1.98 | 2.04 | -0.06 |
| Mar | 2.66 | 2.75 | -0.09 |
| Apr | 4.14 | 4.21 | -0.07 |
| May | 4.44 | 4.38 | 0.06 |
| Jun | 4.61 | 4.60 | 0.01 |
| Jul | 4.11 | 4.08 | 0.03 |
| Aug | 3.09 | 3.03 | 0.06 |
| Sep | 3.10 | 3.00 | 0.10 |
| Oct | 3.28 | 3.28 | 0.00 |
| Nov | 3.22 | 3.28 | -0.06 |
| Dec | 2.29 | 2.45 | -0.16 |
39.25 | 39.48 | -0.23 |