| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.44 | 0.05 |
| Feb | 0.67 | 0.61 | 0.06 |
| Mar | 0.98 | 1.00 | -0.02 |
| Apr | 2.07 | 1.91 | 0.16 |
| May | 3.40 | 3.14 | 0.26 |
| Jun | 3.10 | 3.08 | 0.02 |
| Jul | 2.15 | 1.97 | 0.18 |
| Aug | 1.58 | 1.47 | 0.11 |
| Sep | 1.34 | 1.34 | 0.00 |
| Oct | 1.73 | 1.67 | 0.06 |
| Nov | 0.70 | 0.57 | 0.13 |
| Dec | 0.62 | 0.60 | 0.02 |
18.83 | 17.80 | 1.03 |