| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.47 | -0.14 |
| Feb | 2.80 | 2.88 | -0.08 |
| Mar | 4.07 | 4.05 | 0.02 |
| Apr | 3.90 | 4.02 | -0.12 |
| May | 3.83 | 3.76 | 0.07 |
| Jun | 4.34 | 4.50 | -0.16 |
| Jul | 4.40 | 4.40 | 0.00 |
| Aug | 4.43 | 4.58 | -0.15 |
| Sep | 4.23 | 4.27 | -0.04 |
| Oct | 4.29 | 4.28 | 0.01 |
| Nov | 3.57 | 3.50 | 0.07 |
| Dec | 4.19 | 4.26 | -0.07 |
47.38 | 47.97 | -0.59 |