| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.62 | -0.09 |
| Feb | 1.84 | 1.89 | -0.05 |
| Mar | 2.86 | 2.77 | 0.09 |
| Apr | 4.53 | 4.47 | 0.06 |
| May | 5.78 | 5.69 | 0.09 |
| Jun | 5.13 | 5.19 | -0.06 |
| Jul | 4.54 | 4.52 | 0.02 |
| Aug | 3.95 | 3.91 | 0.04 |
| Sep | 4.24 | 4.26 | -0.02 |
| Oct | 3.30 | 3.29 | 0.01 |
| Nov | 2.80 | 2.80 | 0.00 |
| Dec | 2.08 | 2.05 | 0.03 |
42.58 | 42.46 | 0.12 |