| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.97 | -0.06 |
| Feb | 0.97 | 0.97 | 0.00 |
| Mar | 1.64 | 1.69 | -0.05 |
| Apr | 2.86 | 2.92 | -0.06 |
| May | 4.00 | 3.83 | 0.17 |
| Jun | 4.54 | 4.54 | 0.00 |
| Jul | 4.12 | 4.00 | 0.12 |
| Aug | 4.02 | 4.19 | -0.17 |
| Sep | 3.52 | 3.57 | -0.05 |
| Oct | 2.97 | 3.00 | -0.03 |
| Nov | 1.76 | 1.75 | 0.01 |
| Dec | 1.23 | 1.30 | -0.07 |
32.54 | 32.73 | -0.19 |