| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.49 | -0.02 |
| Feb | 1.38 | 1.43 | -0.05 |
| Mar | 2.09 | 2.13 | -0.04 |
| Apr | 1.76 | 1.71 | 0.05 |
| May | 3.28 | 3.13 | 0.15 |
| Jun | 3.26 | 2.96 | 0.30 |
| Jul | 2.41 | 2.57 | -0.16 |
| Aug | 2.46 | 2.63 | -0.17 |
| Sep | 4.90 | 4.87 | 0.03 |
| Oct | 2.90 | 3.13 | -0.23 |
| Nov | 1.92 | 1.89 | 0.03 |
| Dec | 1.65 | 1.66 | -0.01 |
29.48 | 29.60 | -0.12 |