| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.50 | -0.07 |
| Feb | 1.69 | 1.75 | -0.06 |
| Mar | 2.42 | 2.45 | -0.03 |
| Apr | 3.67 | 3.58 | 0.09 |
| May | 4.64 | 4.86 | -0.22 |
| Jun | 4.88 | 4.75 | 0.13 |
| Jul | 3.99 | 4.24 | -0.25 |
| Aug | 3.88 | 3.85 | 0.03 |
| Sep | 3.45 | 3.38 | 0.07 |
| Oct | 2.78 | 2.76 | 0.02 |
| Nov | 2.25 | 2.22 | 0.03 |
| Dec | 1.87 | 1.98 | -0.11 |
36.95 | 37.32 | -0.37 |