| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.88 | -0.02 |
| Feb | 0.92 | 0.87 | 0.05 |
| Mar | 1.61 | 1.54 | 0.07 |
| Apr | 2.84 | 2.98 | -0.14 |
| May | 4.02 | 4.06 | -0.04 |
| Jun | 4.73 | 4.83 | -0.10 |
| Jul | 4.36 | 4.28 | 0.08 |
| Aug | 4.35 | 4.27 | 0.08 |
| Sep | 3.53 | 3.38 | 0.15 |
| Oct | 2.88 | 2.91 | -0.03 |
| Nov | 1.71 | 1.66 | 0.05 |
| Dec | 1.18 | 1.23 | -0.05 |
32.99 | 32.89 | 0.10 |