| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.56 | 0.68 | -0.12 |
| Mar | 0.91 | 1.08 | -0.17 |
| Apr | 2.01 | 2.29 | -0.28 |
| May | 3.10 | 3.60 | -0.50 |
| Jun | 2.98 | 3.11 | -0.13 |
| Jul | 2.78 | 2.95 | -0.17 |
| Aug | 1.96 | 2.15 | -0.19 |
| Sep | 1.37 | 1.45 | -0.08 |
| Oct | 1.34 | 1.50 | -0.16 |
| Nov | 0.47 | 0.50 | -0.03 |
| Dec | 0.41 | 0.48 | -0.07 |
18.27 | 20.20 | -1.93 |