| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.80 | 0.00 |
| Feb | 1.11 | 1.15 | -0.04 |
| Mar | 1.92 | 1.97 | -0.05 |
| Apr | 2.68 | 2.70 | -0.02 |
| May | 5.03 | 4.89 | 0.14 |
| Jun | 4.19 | 4.05 | 0.14 |
| Jul | 4.02 | 4.04 | -0.02 |
| Aug | 3.76 | 3.67 | 0.09 |
| Sep | 2.78 | 2.72 | 0.06 |
| Oct | 2.25 | 2.28 | -0.03 |
| Nov | 1.29 | 1.38 | -0.09 |
| Dec | 1.16 | 1.15 | 0.01 |
30.99 | 30.80 | 0.19 |