| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.31 | 1.45 | -0.14 |
| Feb | 1.40 | 1.46 | -0.06 |
| Mar | 2.09 | 2.17 | -0.08 |
| Apr | 3.76 | 3.80 | -0.04 |
| May | 4.30 | 4.41 | -0.11 |
| Jun | 5.43 | 5.64 | -0.21 |
| Jul | 4.47 | 4.57 | -0.10 |
| Aug | 4.10 | 4.33 | -0.23 |
| Sep | 3.70 | 3.67 | 0.03 |
| Oct | 3.01 | 3.00 | 0.01 |
| Nov | 2.33 | 2.39 | -0.06 |
| Dec | 1.66 | 1.80 | -0.14 |
37.56 | 38.69 | -1.13 |