| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.50 | 0.02 |
| Feb | 0.43 | 0.37 | 0.06 |
| Mar | 0.84 | 0.75 | 0.09 |
| Apr | 0.89 | 0.85 | 0.04 |
| May | 1.51 | 1.56 | -0.05 |
| Jun | 1.83 | 2.00 | -0.17 |
| Jul | 3.03 | 3.19 | -0.16 |
| Aug | 2.90 | 2.98 | -0.08 |
| Sep | 1.80 | 1.83 | -0.03 |
| Oct | 1.61 | 1.42 | 0.19 |
| Nov | 0.58 | 0.52 | 0.06 |
| Dec | 0.62 | 0.63 | -0.01 |
16.56 | 16.60 | -0.04 |