| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.81 | -0.03 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.14 | 1.26 | -0.12 |
| Apr | 1.43 | 1.37 | 0.06 |
| May | 2.10 | 2.05 | 0.05 |
| Jun | 2.72 | 2.66 | 0.06 |
| Jul | 2.11 | 2.41 | -0.30 |
| Aug | 1.68 | 1.54 | 0.14 |
| Sep | 4.49 | 4.59 | -0.10 |
| Oct | 2.28 | 2.16 | 0.12 |
| Nov | 1.18 | 1.16 | 0.02 |
| Dec | 1.01 | 0.86 | 0.15 |
21.70 | 21.75 | -0.05 |