| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.42 | 0.01 |
| Feb | 0.50 | 0.51 | -0.01 |
| Mar | 1.20 | 1.27 | -0.07 |
| Apr | 2.06 | 2.09 | -0.03 |
| May | 2.66 | 2.86 | -0.20 |
| Jun | 1.79 | 1.84 | -0.05 |
| Jul | 1.59 | 1.74 | -0.15 |
| Aug | 1.43 | 1.44 | -0.01 |
| Sep | 1.39 | 1.45 | -0.06 |
| Oct | 1.16 | 1.27 | -0.11 |
| Nov | 0.73 | 0.76 | -0.03 |
| Dec | 0.47 | 0.48 | -0.01 |
15.41 | 16.13 | -0.72 |