| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.35 | 0.06 |
| Feb | 2.75 | 2.71 | 0.04 |
| Mar | 3.37 | 3.32 | 0.05 |
| Apr | 3.59 | 3.59 | 0.00 |
| May | 4.60 | 4.66 | -0.06 |
| Jun | 4.47 | 4.42 | 0.05 |
| Jul | 2.76 | 2.61 | 0.15 |
| Aug | 3.40 | 3.39 | 0.01 |
| Sep | 4.17 | 3.68 | 0.49 |
| Oct | 4.92 | 4.49 | 0.43 |
| Nov | 3.88 | 3.86 | 0.02 |
| Dec | 3.33 | 3.38 | -0.05 |
44.65 | 43.46 | 1.19 |