| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.65 | -0.03 |
| Feb | 0.44 | 0.47 | -0.03 |
| Mar | 1.09 | 1.13 | -0.04 |
| Apr | 0.97 | 1.00 | -0.03 |
| May | 2.06 | 2.12 | -0.06 |
| Jun | 2.64 | 2.54 | 0.10 |
| Jul | 2.62 | 2.62 | 0.00 |
| Aug | 2.94 | 2.96 | -0.02 |
| Sep | 2.05 | 2.09 | -0.04 |
| Oct | 1.92 | 1.95 | -0.03 |
| Nov | 0.69 | 0.74 | -0.05 |
| Dec | 0.73 | 0.76 | -0.03 |
18.77 | 19.03 | -0.26 |