| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.13 | 5.53 | -0.40 |
| Feb | 3.75 | 4.19 | -0.44 |
| Mar | 4.45 | 4.40 | 0.05 |
| Apr | 3.34 | 3.30 | 0.04 |
| May | 2.41 | 2.52 | -0.11 |
| Jun | 1.97 | 2.03 | -0.06 |
| Jul | 0.90 | 0.89 | 0.01 |
| Aug | 1.07 | 1.03 | 0.04 |
| Sep | 1.90 | 2.04 | -0.14 |
| Oct | 4.11 | 4.00 | 0.11 |
| Nov | 5.68 | 6.29 | -0.61 |
| Dec | 5.67 | 5.73 | -0.06 |
40.38 | 41.95 | -1.57 |