| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.49 | -0.02 |
| Feb | 1.65 | 1.64 | 0.01 |
| Mar | 2.77 | 2.85 | -0.08 |
| Apr | 4.13 | 3.89 | 0.24 |
| May | 5.68 | 5.44 | 0.24 |
| Jun | 4.86 | 4.79 | 0.07 |
| Jul | 3.70 | 3.67 | 0.03 |
| Aug | 3.41 | 3.46 | -0.05 |
| Sep | 3.83 | 3.69 | 0.14 |
| Oct | 3.45 | 3.45 | 0.00 |
| Nov | 2.30 | 2.38 | -0.08 |
| Dec | 1.93 | 1.92 | 0.01 |
39.18 | 38.67 | 0.51 |