| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.73 | -0.19 |
| Feb | 1.29 | 1.48 | -0.19 |
| Mar | 1.85 | 1.97 | -0.12 |
| Apr | 3.40 | 3.52 | -0.12 |
| May | 3.64 | 3.68 | -0.04 |
| Jun | 4.03 | 3.98 | 0.05 |
| Jul | 3.46 | 3.38 | 0.08 |
| Aug | 3.34 | 3.42 | -0.08 |
| Sep | 2.56 | 2.59 | -0.03 |
| Oct | 2.85 | 2.91 | -0.06 |
| Nov | 2.14 | 2.13 | 0.01 |
| Dec | 1.76 | 1.92 | -0.16 |
31.86 | 32.71 | -0.85 |