| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.83 | 0.03 |
| Feb | 2.30 | 2.42 | -0.12 |
| Mar | 3.50 | 3.40 | 0.10 |
| Apr | 4.76 | 4.69 | 0.07 |
| May | 4.91 | 4.99 | -0.08 |
| Jun | 4.46 | 4.76 | -0.30 |
| Jul | 3.80 | 3.91 | -0.11 |
| Aug | 3.23 | 3.28 | -0.05 |
| Sep | 3.35 | 3.37 | -0.02 |
| Oct | 3.16 | 3.17 | -0.01 |
| Nov | 3.68 | 3.65 | 0.03 |
| Dec | 2.74 | 2.82 | -0.08 |
42.75 | 43.29 | -0.54 |