| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.60 | -0.06 |
| Feb | 0.61 | 0.68 | -0.07 |
| Mar | 1.37 | 1.56 | -0.19 |
| Apr | 2.11 | 2.28 | -0.17 |
| May | 2.31 | 2.45 | -0.14 |
| Jun | 1.80 | 1.89 | -0.09 |
| Jul | 2.05 | 2.15 | -0.10 |
| Aug | 1.92 | 2.12 | -0.20 |
| Sep | 1.38 | 1.39 | -0.01 |
| Oct | 1.04 | 1.23 | -0.19 |
| Nov | 0.73 | 0.87 | -0.14 |
| Dec | 0.58 | 0.65 | -0.07 |
16.44 | 17.87 | -1.43 |