| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.63 | -0.03 |
| Feb | 3.00 | 2.96 | 0.04 |
| Mar | 3.61 | 3.58 | 0.03 |
| Apr | 3.46 | 3.48 | -0.02 |
| May | 4.80 | 4.99 | -0.19 |
| Jun | 3.83 | 3.79 | 0.04 |
| Jul | 2.13 | 2.11 | 0.02 |
| Aug | 2.35 | 2.28 | 0.07 |
| Sep | 3.09 | 3.16 | -0.07 |
| Oct | 4.90 | 4.73 | 0.17 |
| Nov | 3.07 | 3.07 | 0.00 |
| Dec | 3.30 | 3.33 | -0.03 |
40.14 | 40.11 | 0.03 |