| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.56 | -0.07 |
| Feb | 1.56 | 1.62 | -0.06 |
| Mar | 2.06 | 2.09 | -0.03 |
| Apr | 3.57 | 3.59 | -0.02 |
| May | 4.20 | 4.11 | 0.09 |
| Jun | 5.30 | 5.13 | 0.17 |
| Jul | 3.99 | 3.80 | 0.19 |
| Aug | 4.12 | 4.26 | -0.14 |
| Sep | 3.62 | 3.61 | 0.01 |
| Oct | 2.86 | 2.88 | -0.02 |
| Nov | 2.31 | 2.30 | 0.01 |
| Dec | 1.83 | 1.90 | -0.07 |
36.91 | 36.85 | 0.06 |