| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.79 | -0.10 |
| Feb | 0.80 | 0.87 | -0.07 |
| Mar | 1.44 | 1.56 | -0.12 |
| Apr | 2.75 | 2.88 | -0.13 |
| May | 4.09 | 4.20 | -0.11 |
| Jun | 4.40 | 4.41 | -0.01 |
| Jul | 4.09 | 4.30 | -0.21 |
| Aug | 3.97 | 4.03 | -0.06 |
| Sep | 3.18 | 3.31 | -0.13 |
| Oct | 2.78 | 2.74 | 0.04 |
| Nov | 1.50 | 1.60 | -0.10 |
| Dec | 1.00 | 1.15 | -0.15 |
30.69 | 31.84 | -1.15 |