| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.50 | -0.02 |
| Feb | 0.42 | 0.41 | 0.01 |
| Mar | 1.28 | 1.22 | 0.06 |
| Apr | 1.67 | 1.64 | 0.03 |
| May | 2.47 | 2.44 | 0.03 |
| Jun | 3.09 | 3.15 | -0.06 |
| Jul | 2.72 | 2.68 | 0.04 |
| Aug | 2.88 | 3.00 | -0.12 |
| Sep | 1.38 | 1.31 | 0.07 |
| Oct | 1.80 | 1.82 | -0.02 |
| Nov | 0.68 | 0.64 | 0.04 |
| Dec | 0.87 | 0.83 | 0.04 |
19.74 | 19.64 | 0.10 |