| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.51 | 0.02 |
| Feb | 1.15 | 1.16 | -0.01 |
| Mar | 1.83 | 1.80 | 0.03 |
| Apr | 3.02 | 3.09 | -0.07 |
| May | 3.48 | 3.45 | 0.03 |
| Jun | 3.94 | 4.02 | -0.08 |
| Jul | 3.58 | 3.62 | -0.04 |
| Aug | 3.38 | 3.37 | 0.01 |
| Sep | 3.27 | 3.18 | 0.09 |
| Oct | 2.96 | 2.88 | 0.08 |
| Nov | 2.11 | 2.00 | 0.11 |
| Dec | 1.76 | 1.70 | 0.06 |
32.01 | 31.78 | 0.23 |