| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.83 | -0.07 |
| Feb | 2.25 | 2.22 | 0.03 |
| Mar | 3.02 | 3.02 | 0.00 |
| Apr | 3.69 | 3.76 | -0.07 |
| May | 4.10 | 4.10 | 0.00 |
| Jun | 4.57 | 4.43 | 0.14 |
| Jul | 3.98 | 3.88 | 0.10 |
| Aug | 3.60 | 3.54 | 0.06 |
| Sep | 3.42 | 3.45 | -0.03 |
| Oct | 3.20 | 3.09 | 0.11 |
| Nov | 2.81 | 2.81 | 0.00 |
| Dec | 2.76 | 2.86 | -0.10 |
40.16 | 39.99 | 0.17 |