| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.72 | -0.15 |
| Feb | 1.38 | 1.46 | -0.08 |
| Mar | 1.86 | 1.87 | -0.01 |
| Apr | 3.52 | 3.70 | -0.18 |
| May | 3.64 | 3.80 | -0.16 |
| Jun | 3.98 | 4.01 | -0.03 |
| Jul | 3.44 | 3.63 | -0.19 |
| Aug | 3.54 | 3.92 | -0.38 |
| Sep | 2.99 | 3.04 | -0.05 |
| Oct | 2.71 | 2.75 | -0.04 |
| Nov | 2.09 | 2.11 | -0.02 |
| Dec | 1.78 | 1.96 | -0.18 |
32.50 | 33.97 | -1.47 |