| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.87 | -0.11 |
| Feb | 1.78 | 1.81 | -0.03 |
| Mar | 2.27 | 2.23 | 0.04 |
| Apr | 3.71 | 3.71 | 0.00 |
| May | 4.68 | 4.88 | -0.20 |
| Jun | 4.66 | 4.62 | 0.04 |
| Jul | 3.91 | 3.90 | 0.01 |
| Aug | 3.91 | 4.02 | -0.11 |
| Sep | 3.52 | 3.47 | 0.05 |
| Oct | 3.24 | 3.21 | 0.03 |
| Nov | 2.42 | 2.48 | -0.06 |
| Dec | 2.07 | 2.10 | -0.03 |
37.93 | 38.30 | -0.37 |