| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.93 | -0.18 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.58 | 1.73 | -0.15 |
| Apr | 2.86 | 3.13 | -0.27 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.59 | 4.74 | -0.15 |
| Jul | 4.16 | 4.45 | -0.29 |
| Aug | 4.45 | 4.32 | 0.13 |
| Sep | 3.28 | 3.33 | -0.05 |
| Oct | 2.80 | 2.92 | -0.12 |
| Nov | 1.58 | 1.70 | -0.12 |
| Dec | 1.06 | 1.31 | -0.25 |
32.03 | 33.69 | -1.66 |