| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.61 | -0.03 |
| Feb | 0.79 | 0.71 | 0.08 |
| Mar | 1.31 | 1.39 | -0.08 |
| Apr | 2.23 | 2.22 | 0.01 |
| May | 2.65 | 2.56 | 0.09 |
| Jun | 1.70 | 1.75 | -0.05 |
| Jul | 1.88 | 1.76 | 0.12 |
| Aug | 1.64 | 1.63 | 0.01 |
| Sep | 1.34 | 1.24 | 0.10 |
| Oct | 1.16 | 1.17 | -0.01 |
| Nov | 0.90 | 0.88 | 0.02 |
| Dec | 0.55 | 0.58 | -0.03 |
16.73 | 16.50 | 0.23 |