| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.87 | -0.11 |
| Feb | 1.65 | 1.80 | -0.15 |
| Mar | 2.23 | 2.29 | -0.06 |
| Apr | 3.64 | 3.71 | -0.07 |
| May | 4.64 | 4.54 | 0.10 |
| Jun | 4.47 | 4.38 | 0.09 |
| Jul | 3.86 | 3.89 | -0.03 |
| Aug | 3.93 | 3.72 | 0.21 |
| Sep | 3.34 | 3.31 | 0.03 |
| Oct | 3.20 | 3.29 | -0.09 |
| Nov | 2.46 | 2.46 | 0.00 |
| Dec | 1.99 | 2.05 | -0.06 |
37.17 | 37.31 | -0.14 |