| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.17 | -0.10 |
| Feb | 2.22 | 2.26 | -0.04 |
| Mar | 3.03 | 3.06 | -0.03 |
| Apr | 4.56 | 4.52 | 0.04 |
| May | 4.90 | 5.10 | -0.20 |
| Jun | 4.69 | 4.70 | -0.01 |
| Jul | 4.39 | 4.01 | 0.38 |
| Aug | 3.67 | 3.71 | -0.04 |
| Sep | 3.88 | 3.91 | -0.03 |
| Oct | 3.39 | 3.19 | 0.20 |
| Nov | 2.78 | 2.86 | -0.08 |
| Dec | 2.19 | 2.19 | 0.00 |
41.77 | 41.68 | 0.09 |