| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.48 | -0.01 |
| Feb | 0.65 | 0.68 | -0.03 |
| Mar | 1.20 | 1.28 | -0.08 |
| Apr | 1.88 | 1.96 | -0.08 |
| May | 3.40 | 3.49 | -0.09 |
| Jun | 2.95 | 2.92 | 0.03 |
| Jul | 3.43 | 3.62 | -0.19 |
| Aug | 2.93 | 3.04 | -0.11 |
| Sep | 1.71 | 1.80 | -0.09 |
| Oct | 1.62 | 1.62 | 0.00 |
| Nov | 0.74 | 0.75 | -0.01 |
| Dec | 0.67 | 0.73 | -0.06 |
21.65 | 22.37 | -0.72 |