| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 1.78 | 0.24 |
| Feb | 1.41 | 1.24 | 0.17 |
| Mar | 1.63 | 1.34 | 0.29 |
| Apr | 1.54 | 1.40 | 0.14 |
| May | 2.07 | 2.15 | -0.08 |
| Jun | 2.15 | 2.23 | -0.08 |
| Jul | 1.07 | 1.03 | 0.04 |
| Aug | 0.76 | 0.65 | 0.11 |
| Sep | 0.99 | 0.86 | 0.13 |
| Oct | 1.57 | 1.19 | 0.38 |
| Nov | 2.12 | 1.71 | 0.41 |
| Dec | 2.25 | 2.10 | 0.15 |
19.58 | 17.68 | 1.90 |