| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.81 | 0.83 | -0.02 |
| Mar | 1.45 | 1.56 | -0.11 |
| Apr | 2.70 | 2.74 | -0.04 |
| May | 4.00 | 4.04 | -0.04 |
| Jun | 4.28 | 4.24 | 0.04 |
| Jul | 4.05 | 4.10 | -0.05 |
| Aug | 3.90 | 4.02 | -0.12 |
| Sep | 3.14 | 3.17 | -0.03 |
| Oct | 2.73 | 2.73 | 0.00 |
| Nov | 1.46 | 1.54 | -0.08 |
| Dec | 0.99 | 1.05 | -0.06 |
30.20 | 30.76 | -0.56 |