| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.67 | -0.08 |
| Feb | 2.21 | 2.24 | -0.03 |
| Mar | 2.33 | 2.33 | 0.00 |
| Apr | 3.56 | 3.46 | 0.10 |
| May | 4.11 | 4.15 | -0.04 |
| Jun | 4.14 | 4.07 | 0.07 |
| Jul | 3.92 | 3.91 | 0.01 |
| Aug | 4.00 | 3.87 | 0.13 |
| Sep | 3.37 | 3.27 | 0.10 |
| Oct | 3.54 | 3.40 | 0.14 |
| Nov | 2.88 | 2.80 | 0.08 |
| Dec | 2.49 | 2.44 | 0.05 |
39.14 | 38.61 | 0.53 |