| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.12 | -0.10 |
| Feb | 1.83 | 1.97 | -0.14 |
| Mar | 2.41 | 2.36 | 0.05 |
| Apr | 3.88 | 3.91 | -0.03 |
| May | 4.58 | 4.70 | -0.12 |
| Jun | 4.44 | 4.45 | -0.01 |
| Jul | 3.85 | 3.93 | -0.08 |
| Aug | 4.14 | 4.02 | 0.12 |
| Sep | 3.29 | 3.24 | 0.05 |
| Oct | 3.54 | 3.54 | 0.00 |
| Nov | 2.61 | 2.63 | -0.02 |
| Dec | 2.17 | 2.20 | -0.03 |
38.76 | 39.07 | -0.31 |