| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.60 | -0.01 |
| Feb | 0.48 | 0.43 | 0.05 |
| Mar | 1.19 | 1.12 | 0.07 |
| Apr | 1.26 | 1.18 | 0.08 |
| May | 2.25 | 2.26 | -0.01 |
| Jun | 2.87 | 2.86 | 0.01 |
| Jul | 2.53 | 2.48 | 0.05 |
| Aug | 2.82 | 2.87 | -0.05 |
| Sep | 1.71 | 1.73 | -0.02 |
| Oct | 1.84 | 1.97 | -0.13 |
| Nov | 0.69 | 0.70 | -0.01 |
| Dec | 0.70 | 0.68 | 0.02 |
18.93 | 18.88 | 0.05 |