| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.84 | -0.06 |
| Feb | 0.85 | 0.86 | -0.01 |
| Mar | 1.56 | 1.46 | 0.10 |
| Apr | 2.83 | 2.86 | -0.03 |
| May | 4.11 | 4.12 | -0.01 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 4.36 | 4.40 | -0.04 |
| Aug | 4.10 | 3.93 | 0.17 |
| Sep | 3.27 | 3.24 | 0.03 |
| Oct | 2.90 | 2.87 | 0.03 |
| Nov | 1.70 | 1.64 | 0.06 |
| Dec | 1.15 | 1.23 | -0.08 |
32.03 | 31.91 | 0.12 |