| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.62 | 0.09 |
| Feb | 0.76 | 0.69 | 0.07 |
| Mar | 1.58 | 1.80 | -0.22 |
| Apr | 2.46 | 2.71 | -0.25 |
| May | 2.47 | 2.62 | -0.15 |
| Jun | 2.14 | 1.99 | 0.15 |
| Jul | 3.32 | 3.01 | 0.31 |
| Aug | 2.83 | 3.15 | -0.32 |
| Sep | 1.56 | 1.75 | -0.19 |
| Oct | 1.22 | 1.27 | -0.05 |
| Nov | 0.94 | 0.89 | 0.05 |
| Dec | 0.77 | 0.69 | 0.08 |
20.76 | 21.19 | -0.43 |