| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.86 | -0.10 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.56 | 1.59 | -0.03 |
| Apr | 2.98 | 2.98 | 0.00 |
| May | 4.26 | 4.25 | 0.01 |
| Jun | 4.91 | 4.54 | 0.37 |
| Jul | 4.10 | 4.08 | 0.02 |
| Aug | 4.32 | 4.48 | -0.16 |
| Sep | 3.36 | 3.25 | 0.11 |
| Oct | 2.58 | 2.56 | 0.02 |
| Nov | 1.51 | 1.59 | -0.08 |
| Dec | 1.08 | 1.21 | -0.13 |
32.20 | 32.26 | -0.06 |