| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.66 | -0.04 |
| Feb | 0.81 | 0.88 | -0.07 |
| Mar | 1.80 | 1.80 | 0.00 |
| Apr | 2.43 | 2.39 | 0.04 |
| May | 2.51 | 2.51 | 0.00 |
| Jun | 1.85 | 1.74 | 0.11 |
| Jul | 2.16 | 2.15 | 0.01 |
| Aug | 2.15 | 2.34 | -0.19 |
| Sep | 1.59 | 1.62 | -0.03 |
| Oct | 1.23 | 1.28 | -0.05 |
| Nov | 0.83 | 0.86 | -0.03 |
| Dec | 0.67 | 0.76 | -0.09 |
18.65 | 18.99 | -0.34 |