| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.97 | -0.22 |
| Feb | 0.78 | 0.92 | -0.14 |
| Mar | 1.61 | 1.72 | -0.11 |
| Apr | 2.91 | 3.09 | -0.18 |
| May | 4.17 | 4.20 | -0.03 |
| Jun | 4.62 | 4.73 | -0.11 |
| Jul | 4.15 | 4.30 | -0.15 |
| Aug | 4.49 | 4.56 | -0.07 |
| Sep | 3.28 | 3.25 | 0.03 |
| Oct | 2.65 | 2.76 | -0.11 |
| Nov | 1.57 | 1.70 | -0.13 |
| Dec | 1.06 | 1.29 | -0.23 |
32.04 | 33.49 | -1.45 |