| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.23 | 1.30 | -0.07 |
| Feb | 1.55 | 1.68 | -0.13 |
| Mar | 2.45 | 2.52 | -0.07 |
| Apr | 4.10 | 4.08 | 0.02 |
| May | 5.57 | 5.64 | -0.07 |
| Jun | 5.14 | 5.41 | -0.27 |
| Jul | 4.53 | 4.45 | 0.08 |
| Aug | 4.49 | 4.31 | 0.18 |
| Sep | 3.93 | 4.18 | -0.25 |
| Oct | 3.27 | 3.33 | -0.06 |
| Nov | 2.28 | 2.32 | -0.04 |
| Dec | 1.66 | 1.76 | -0.10 |
40.20 | 40.98 | -0.78 |