| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.27 | -0.09 |
| Feb | 1.52 | 1.66 | -0.14 |
| Mar | 2.40 | 2.53 | -0.13 |
| Apr | 4.01 | 4.10 | -0.09 |
| May | 5.45 | 5.55 | -0.10 |
| Jun | 5.08 | 5.50 | -0.42 |
| Jul | 4.57 | 4.54 | 0.03 |
| Aug | 4.40 | 4.43 | -0.03 |
| Sep | 3.91 | 4.25 | -0.34 |
| Oct | 3.24 | 3.29 | -0.05 |
| Nov | 2.19 | 2.26 | -0.07 |
| Dec | 1.60 | 1.73 | -0.13 |
39.55 | 41.11 | -1.56 |