| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.93 | -0.19 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.57 | 1.67 | -0.10 |
| Apr | 2.91 | 3.03 | -0.12 |
| May | 4.18 | 4.22 | -0.04 |
| Jun | 4.62 | 4.59 | 0.03 |
| Jul | 4.19 | 4.28 | -0.09 |
| Aug | 4.44 | 4.45 | -0.01 |
| Sep | 3.32 | 3.32 | 0.00 |
| Oct | 2.67 | 2.71 | -0.04 |
| Nov | 1.56 | 1.66 | -0.10 |
| Dec | 1.03 | 1.27 | -0.24 |
32.01 | 33.03 | -1.02 |