| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.43 | 0.13 |
| Feb | 2.25 | 2.21 | 0.04 |
| Mar | 2.58 | 2.52 | 0.06 |
| Apr | 3.36 | 3.22 | 0.14 |
| May | 3.75 | 3.72 | 0.03 |
| Jun | 4.34 | 4.52 | -0.18 |
| Jul | 4.22 | 4.18 | 0.04 |
| Aug | 3.98 | 4.06 | -0.08 |
| Sep | 3.30 | 3.44 | -0.14 |
| Oct | 4.28 | 4.17 | 0.11 |
| Nov | 2.95 | 2.88 | 0.07 |
| Dec | 3.11 | 3.19 | -0.08 |
40.68 | 40.54 | 0.14 |