| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.63 | 0.06 |
| Feb | 1.88 | 1.80 | 0.08 |
| Mar | 2.57 | 2.49 | 0.08 |
| Apr | 4.00 | 3.95 | 0.05 |
| May | 5.11 | 5.14 | -0.03 |
| Jun | 4.98 | 5.03 | -0.05 |
| Jul | 4.17 | 4.14 | 0.03 |
| Aug | 3.74 | 3.76 | -0.02 |
| Sep | 3.60 | 3.54 | 0.06 |
| Oct | 3.17 | 3.15 | 0.02 |
| Nov | 2.51 | 2.51 | 0.00 |
| Dec | 1.92 | 1.89 | 0.03 |
39.34 | 39.03 | 0.31 |