| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.48 | 0.09 |
| Feb | 0.54 | 0.42 | 0.12 |
| Mar | 0.75 | 0.63 | 0.12 |
| Apr | 1.07 | 0.95 | 0.12 |
| May | 2.82 | 2.84 | -0.02 |
| Jun | 3.80 | 3.86 | -0.06 |
| Jul | 3.38 | 3.46 | -0.08 |
| Aug | 2.61 | 2.53 | 0.08 |
| Sep | 2.17 | 2.13 | 0.04 |
| Oct | 1.56 | 1.42 | 0.14 |
| Nov | 0.86 | 0.75 | 0.11 |
| Dec | 0.76 | 0.64 | 0.12 |
20.89 | 20.11 | 0.78 |