| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.45 | 0.03 |
| Feb | 0.67 | 0.62 | 0.05 |
| Mar | 1.18 | 1.16 | 0.02 |
| Apr | 2.53 | 2.43 | 0.10 |
| May | 3.54 | 3.49 | 0.05 |
| Jun | 3.57 | 3.56 | 0.01 |
| Jul | 2.54 | 2.59 | -0.05 |
| Aug | 2.22 | 2.13 | 0.09 |
| Sep | 1.70 | 1.57 | 0.13 |
| Oct | 1.67 | 1.68 | -0.01 |
| Nov | 0.69 | 0.66 | 0.03 |
| Dec | 0.60 | 0.57 | 0.03 |
21.39 | 20.91 | 0.48 |