| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.94 | -0.09 |
| Feb | 1.76 | 1.89 | -0.13 |
| Mar | 2.23 | 2.27 | -0.04 |
| Apr | 3.74 | 3.70 | 0.04 |
| May | 4.31 | 4.46 | -0.15 |
| Jun | 4.50 | 4.29 | 0.21 |
| Jul | 3.80 | 3.66 | 0.14 |
| Aug | 3.80 | 3.79 | 0.01 |
| Sep | 3.34 | 3.33 | 0.01 |
| Oct | 3.19 | 3.24 | -0.05 |
| Nov | 2.44 | 2.38 | 0.06 |
| Dec | 2.05 | 2.08 | -0.03 |
37.01 | 37.03 | -0.02 |