| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.87 | 0.06 |
| Feb | 4.55 | 4.50 | 0.05 |
| Mar | 2.76 | 2.94 | -0.18 |
| Apr | 0.96 | 0.99 | -0.03 |
| May | 0.39 | 0.45 | -0.06 |
| Jun | 0.09 | 0.15 | -0.06 |
| Jul | 0.03 | 0.05 | -0.02 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.15 | 0.15 | 0.00 |
| Oct | 0.63 | 0.68 | -0.05 |
| Nov | 1.03 | 0.88 | 0.15 |
| Dec | 2.69 | 2.80 | -0.11 |
17.22 | 17.46 | -0.24 |