| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.92 | -0.02 |
| Feb | 1.09 | 1.16 | -0.07 |
| Mar | 2.02 | 1.97 | 0.05 |
| Apr | 3.80 | 3.67 | 0.13 |
| May | 4.97 | 5.00 | -0.03 |
| Jun | 5.17 | 5.04 | 0.13 |
| Jul | 4.40 | 4.31 | 0.09 |
| Aug | 4.21 | 4.38 | -0.17 |
| Sep | 3.42 | 3.34 | 0.08 |
| Oct | 2.65 | 2.63 | 0.02 |
| Nov | 1.79 | 1.83 | -0.04 |
| Dec | 1.31 | 1.31 | 0.00 |
35.73 | 35.56 | 0.17 |