| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.51 | -0.04 |
| Feb | 0.46 | 0.56 | -0.10 |
| Mar | 0.76 | 0.70 | 0.06 |
| Apr | 1.62 | 1.89 | -0.27 |
| May | 2.27 | 2.70 | -0.43 |
| Jun | 2.00 | 2.12 | -0.12 |
| Jul | 1.09 | 1.09 | 0.00 |
| Aug | 0.84 | 0.92 | -0.08 |
| Sep | 1.20 | 1.34 | -0.14 |
| Oct | 1.28 | 1.51 | -0.23 |
| Nov | 0.60 | 0.80 | -0.20 |
| Dec | 0.49 | 0.55 | -0.06 |
13.08 | 14.69 | -1.61 |