| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.66 | -0.02 |
| Feb | 1.70 | 1.88 | -0.18 |
| Mar | 3.23 | 3.14 | 0.09 |
| Apr | 4.45 | 4.12 | 0.33 |
| May | 5.54 | 5.88 | -0.34 |
| Jun | 4.74 | 4.67 | 0.07 |
| Jul | 3.78 | 3.67 | 0.11 |
| Aug | 3.48 | 3.46 | 0.02 |
| Sep | 3.88 | 3.70 | 0.18 |
| Oct | 3.54 | 3.61 | -0.07 |
| Nov | 2.81 | 2.69 | 0.12 |
| Dec | 2.33 | 2.27 | 0.06 |
41.12 | 40.75 | 0.37 |