| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.47 | 6.17 | -0.70 |
| Feb | 5.28 | 5.23 | 0.05 |
| Mar | 3.99 | 4.49 | -0.50 |
| Apr | 2.19 | 2.45 | -0.26 |
| May | 1.34 | 1.68 | -0.34 |
| Jun | 0.72 | 0.83 | -0.11 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.09 | 0.12 | -0.03 |
| Sep | 0.34 | 0.38 | -0.04 |
| Oct | 1.63 | 1.55 | 0.08 |
| Nov | 3.36 | 3.41 | -0.05 |
| Dec | 5.53 | 6.28 | -0.75 |
29.99 | 32.66 | -2.67 |