| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.88 | -0.14 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.57 | 1.62 | -0.05 |
| Apr | 2.91 | 3.00 | -0.09 |
| May | 4.22 | 4.25 | -0.03 |
| Jun | 4.75 | 4.59 | 0.16 |
| Jul | 4.19 | 4.19 | 0.00 |
| Aug | 4.43 | 4.53 | -0.10 |
| Sep | 3.24 | 3.28 | -0.04 |
| Oct | 2.60 | 2.58 | 0.02 |
| Nov | 1.55 | 1.59 | -0.04 |
| Dec | 1.04 | 1.23 | -0.19 |
32.02 | 32.64 | -0.62 |