| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.67 | -0.06 |
| Feb | 0.58 | 0.62 | -0.04 |
| Mar | 1.10 | 1.14 | -0.04 |
| Apr | 1.91 | 2.03 | -0.12 |
| May | 3.14 | 3.30 | -0.16 |
| Jun | 4.31 | 4.34 | -0.03 |
| Jul | 3.78 | 3.99 | -0.21 |
| Aug | 2.82 | 2.96 | -0.14 |
| Sep | 2.87 | 2.88 | -0.01 |
| Oct | 2.52 | 2.62 | -0.10 |
| Nov | 1.00 | 1.07 | -0.07 |
| Dec | 0.72 | 0.91 | -0.19 |
25.36 | 26.53 | -1.17 |