| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.73 | 0.00 |
| Feb | 0.83 | 0.83 | 0.00 |
| Mar | 1.56 | 1.56 | 0.00 |
| Apr | 3.03 | 3.14 | -0.11 |
| May | 4.13 | 4.06 | 0.07 |
| Jun | 4.86 | 4.88 | -0.02 |
| Jul | 3.66 | 3.45 | 0.21 |
| Aug | 3.49 | 3.47 | 0.02 |
| Sep | 3.16 | 3.23 | -0.07 |
| Oct | 2.40 | 2.34 | 0.06 |
| Nov | 1.39 | 1.38 | 0.01 |
| Dec | 0.94 | 0.97 | -0.03 |
30.18 | 30.04 | 0.14 |