| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.62 | 0.02 |
| Feb | 0.78 | 0.75 | 0.03 |
| Mar | 1.68 | 1.62 | 0.06 |
| Apr | 2.49 | 2.53 | -0.04 |
| May | 2.73 | 2.84 | -0.11 |
| Jun | 1.82 | 1.80 | 0.02 |
| Jul | 1.71 | 1.62 | 0.09 |
| Aug | 1.67 | 1.55 | 0.12 |
| Sep | 1.44 | 1.98 | -0.54 |
| Oct | 1.32 | 1.34 | -0.02 |
| Nov | 1.00 | 0.92 | 0.08 |
| Dec | 0.64 | 0.62 | 0.02 |
17.92 | 18.19 | -0.27 |