| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.72 | -0.03 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.49 | 1.54 | -0.05 |
| Apr | 2.67 | 2.66 | 0.01 |
| May | 3.88 | 4.01 | -0.13 |
| Jun | 4.15 | 4.23 | -0.08 |
| Jul | 3.99 | 3.92 | 0.07 |
| Aug | 3.94 | 4.02 | -0.08 |
| Sep | 3.02 | 3.13 | -0.11 |
| Oct | 2.62 | 2.69 | -0.07 |
| Nov | 1.40 | 1.41 | -0.01 |
| Dec | 0.93 | 1.00 | -0.07 |
29.58 | 30.11 | -0.53 |