| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.13 | 0.09 |
| Feb | 1.88 | 1.76 | 0.12 |
| Mar | 2.61 | 2.54 | 0.07 |
| Apr | 3.20 | 3.17 | 0.03 |
| May | 3.25 | 3.17 | 0.08 |
| Jun | 3.72 | 3.44 | 0.28 |
| Jul | 3.91 | 3.71 | 0.20 |
| Aug | 3.54 | 3.30 | 0.24 |
| Sep | 3.68 | 3.58 | 0.10 |
| Oct | 3.74 | 3.71 | 0.03 |
| Nov | 2.80 | 2.80 | 0.00 |
| Dec | 2.75 | 2.52 | 0.23 |
37.30 | 35.83 | 1.47 |