| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.73 | 0.01 |
| Feb | 0.92 | 0.91 | 0.01 |
| Mar | 1.61 | 1.66 | -0.05 |
| Apr | 2.68 | 2.71 | -0.03 |
| May | 5.22 | 5.19 | 0.03 |
| Jun | 4.55 | 4.66 | -0.11 |
| Jul | 3.70 | 3.66 | 0.04 |
| Aug | 3.49 | 3.44 | 0.05 |
| Sep | 2.87 | 2.91 | -0.04 |
| Oct | 2.31 | 2.36 | -0.05 |
| Nov | 1.30 | 1.37 | -0.07 |
| Dec | 1.18 | 1.15 | 0.03 |
30.57 | 30.75 | -0.18 |