| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.58 | -0.05 |
| Feb | 1.44 | 1.55 | -0.11 |
| Mar | 1.95 | 2.01 | -0.06 |
| Apr | 3.65 | 3.69 | -0.04 |
| May | 4.02 | 4.06 | -0.04 |
| Jun | 4.87 | 4.88 | -0.01 |
| Jul | 3.97 | 4.03 | -0.06 |
| Aug | 3.98 | 4.01 | -0.03 |
| Sep | 3.31 | 3.31 | 0.00 |
| Oct | 2.80 | 2.83 | -0.03 |
| Nov | 2.18 | 2.15 | 0.03 |
| Dec | 1.76 | 1.83 | -0.07 |
35.46 | 35.93 | -0.47 |