| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.40 | -0.20 |
| Feb | 1.95 | 2.11 | -0.16 |
| Mar | 2.29 | 2.37 | -0.08 |
| Apr | 3.53 | 3.64 | -0.11 |
| May | 4.37 | 4.13 | 0.24 |
| Jun | 4.34 | 4.33 | 0.01 |
| Jul | 3.97 | 4.16 | -0.19 |
| Aug | 4.28 | 4.22 | 0.06 |
| Sep | 3.36 | 3.37 | -0.01 |
| Oct | 3.54 | 3.74 | -0.20 |
| Nov | 2.64 | 2.80 | -0.16 |
| Dec | 2.18 | 2.29 | -0.11 |
38.65 | 39.56 | -0.91 |