| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.97 | -0.23 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.60 | 1.70 | -0.10 |
| Apr | 2.91 | 3.07 | -0.16 |
| May | 4.16 | 4.17 | -0.01 |
| Jun | 4.58 | 4.64 | -0.06 |
| Jul | 4.17 | 4.32 | -0.15 |
| Aug | 4.48 | 4.42 | 0.06 |
| Sep | 3.31 | 3.27 | 0.04 |
| Oct | 2.69 | 2.76 | -0.07 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.05 | 1.28 | -0.23 |
32.03 | 33.20 | -1.17 |