| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.69 | 0.03 |
| Feb | 0.75 | 0.74 | 0.01 |
| Mar | 1.40 | 1.39 | 0.01 |
| Apr | 2.55 | 2.55 | 0.00 |
| May | 3.37 | 3.26 | 0.11 |
| Jun | 4.48 | 4.34 | 0.14 |
| Jul | 4.18 | 4.14 | 0.04 |
| Aug | 3.79 | 3.65 | 0.14 |
| Sep | 2.90 | 2.81 | 0.09 |
| Oct | 2.53 | 2.50 | 0.03 |
| Nov | 1.30 | 1.23 | 0.07 |
| Dec | 0.86 | 0.88 | -0.02 |
28.83 | 28.18 | 0.65 |