| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.26 | 0.01 |
| Feb | 1.93 | 1.95 | -0.02 |
| Mar | 2.36 | 2.36 | 0.00 |
| Apr | 3.68 | 3.68 | 0.00 |
| May | 4.36 | 4.38 | -0.02 |
| Jun | 4.66 | 4.70 | -0.04 |
| Jul | 4.55 | 4.44 | 0.11 |
| Aug | 4.00 | 4.15 | -0.15 |
| Sep | 3.43 | 3.40 | 0.03 |
| Oct | 3.41 | 3.45 | -0.04 |
| Nov | 2.69 | 2.71 | -0.02 |
| Dec | 2.16 | 2.18 | -0.02 |
39.50 | 39.66 | -0.16 |