| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.89 | -0.04 |
| Feb | 4.39 | 4.43 | -0.04 |
| Mar | 2.76 | 2.72 | 0.04 |
| Apr | 1.00 | 0.95 | 0.05 |
| May | 0.45 | 0.45 | 0.00 |
| Jun | 0.07 | 0.12 | -0.05 |
| Jul | 0.03 | 0.04 | -0.01 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.13 | 0.14 | -0.01 |
| Oct | 0.67 | 0.83 | -0.16 |
| Nov | 1.26 | 1.07 | 0.19 |
| Dec | 2.86 | 2.91 | -0.05 |
17.50 | 17.58 | -0.08 |