| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.63 | -0.03 |
| Feb | 0.47 | 0.41 | 0.06 |
| Mar | 1.16 | 1.07 | 0.09 |
| Apr | 1.17 | 1.04 | 0.13 |
| May | 2.27 | 2.27 | 0.00 |
| Jun | 2.81 | 2.92 | -0.11 |
| Jul | 2.50 | 2.28 | 0.22 |
| Aug | 2.76 | 2.84 | -0.08 |
| Sep | 1.73 | 1.81 | -0.08 |
| Oct | 1.88 | 2.05 | -0.17 |
| Nov | 0.68 | 0.70 | -0.02 |
| Dec | 0.70 | 0.63 | 0.07 |
18.73 | 18.65 | 0.08 |