| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.14 | 0.06 |
| Feb | 1.58 | 1.61 | -0.03 |
| Mar | 2.49 | 2.45 | 0.04 |
| Apr | 3.76 | 3.84 | -0.08 |
| May | 5.26 | 5.67 | -0.41 |
| Jun | 5.01 | 4.98 | 0.03 |
| Jul | 4.66 | 4.61 | 0.05 |
| Aug | 4.28 | 4.32 | -0.04 |
| Sep | 4.10 | 4.10 | 0.00 |
| Oct | 3.08 | 3.18 | -0.10 |
| Nov | 2.24 | 2.18 | 0.06 |
| Dec | 1.62 | 1.70 | -0.08 |
39.28 | 39.78 | -0.50 |