| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.56 | 0.02 |
| Feb | 1.81 | 1.79 | 0.02 |
| Mar | 2.51 | 2.38 | 0.13 |
| Apr | 3.73 | 3.73 | 0.00 |
| May | 4.92 | 4.91 | 0.01 |
| Jun | 4.80 | 4.66 | 0.14 |
| Jul | 3.89 | 3.90 | -0.01 |
| Aug | 3.76 | 3.70 | 0.06 |
| Sep | 3.60 | 3.65 | -0.05 |
| Oct | 2.89 | 2.78 | 0.11 |
| Nov | 2.43 | 2.33 | 0.10 |
| Dec | 1.98 | 1.95 | 0.03 |
37.90 | 37.34 | 0.56 |