| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.57 | -0.13 |
| Feb | 1.46 | 1.61 | -0.15 |
| Mar | 2.12 | 2.18 | -0.06 |
| Apr | 3.67 | 3.79 | -0.12 |
| May | 4.17 | 4.33 | -0.16 |
| Jun | 5.47 | 5.37 | 0.10 |
| Jul | 4.34 | 4.41 | -0.07 |
| Aug | 4.02 | 4.09 | -0.07 |
| Sep | 3.58 | 3.49 | 0.09 |
| Oct | 2.92 | 2.86 | 0.06 |
| Nov | 2.24 | 2.22 | 0.02 |
| Dec | 1.60 | 1.78 | -0.18 |
37.03 | 37.70 | -0.67 |