| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.53 | -0.05 |
| Feb | 1.55 | 1.61 | -0.06 |
| Mar | 2.11 | 2.12 | -0.01 |
| Apr | 3.69 | 3.75 | -0.06 |
| May | 4.23 | 4.25 | -0.02 |
| Jun | 5.52 | 5.34 | 0.18 |
| Jul | 4.29 | 4.00 | 0.29 |
| Aug | 4.15 | 4.24 | -0.09 |
| Sep | 3.66 | 3.62 | 0.04 |
| Oct | 2.89 | 2.88 | 0.01 |
| Nov | 2.38 | 2.31 | 0.07 |
| Dec | 1.80 | 1.80 | 0.00 |
37.75 | 37.45 | 0.30 |