| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.42 | 0.01 |
| Feb | 0.50 | 0.53 | -0.03 |
| Mar | 1.20 | 1.33 | -0.13 |
| Apr | 2.06 | 2.10 | -0.04 |
| May | 2.66 | 2.80 | -0.14 |
| Jun | 1.79 | 1.85 | -0.06 |
| Jul | 1.59 | 1.80 | -0.21 |
| Aug | 1.43 | 1.44 | -0.01 |
| Sep | 1.39 | 1.46 | -0.07 |
| Oct | 1.16 | 1.26 | -0.10 |
| Nov | 0.73 | 0.79 | -0.06 |
| Dec | 0.47 | 0.50 | -0.03 |
15.41 | 16.28 | -0.87 |