| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.29 | 0.11 |
| Feb | 1.77 | 1.73 | 0.04 |
| Mar | 2.52 | 2.37 | 0.15 |
| Apr | 3.68 | 3.60 | 0.08 |
| May | 5.51 | 5.59 | -0.08 |
| Jun | 5.25 | 5.25 | 0.00 |
| Jul | 4.27 | 4.08 | 0.19 |
| Aug | 4.02 | 3.92 | 0.10 |
| Sep | 3.74 | 3.71 | 0.03 |
| Oct | 3.06 | 3.05 | 0.01 |
| Nov | 2.43 | 2.15 | 0.28 |
| Dec | 1.73 | 1.67 | 0.06 |
39.38 | 38.41 | 0.97 |