| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.51 | 0.00 |
| Feb | 0.59 | 0.59 | 0.00 |
| Mar | 0.95 | 0.95 | 0.00 |
| Apr | 1.76 | 1.68 | 0.08 |
| May | 3.20 | 3.33 | -0.13 |
| Jun | 3.74 | 3.77 | -0.03 |
| Jul | 3.39 | 3.20 | 0.19 |
| Aug | 2.54 | 2.48 | 0.06 |
| Sep | 2.26 | 2.25 | 0.01 |
| Oct | 1.89 | 1.97 | -0.08 |
| Nov | 0.70 | 0.73 | -0.03 |
| Dec | 0.61 | 0.67 | -0.06 |
22.14 | 22.13 | 0.01 |