| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.86 | 2.09 | -0.23 |
| Feb | 1.70 | 1.83 | -0.13 |
| Mar | 1.34 | 1.55 | -0.21 |
| Apr | 1.12 | 1.25 | -0.13 |
| May | 1.23 | 1.37 | -0.14 |
| Jun | 0.76 | 0.69 | 0.07 |
| Jul | 2.26 | 2.17 | 0.09 |
| Aug | 2.63 | 2.65 | -0.02 |
| Sep | 2.54 | 2.67 | -0.13 |
| Oct | 1.83 | 1.97 | -0.14 |
| Nov | 1.56 | 1.54 | 0.02 |
| Dec | 1.73 | 1.85 | -0.12 |
20.56 | 21.63 | -1.07 |