| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.50 | -0.12 |
| Feb | 3.25 | 3.40 | -0.15 |
| Mar | 3.45 | 3.54 | -0.09 |
| Apr | 3.24 | 3.24 | 0.00 |
| May | 3.36 | 3.53 | -0.17 |
| Jun | 5.57 | 5.76 | -0.19 |
| Jul | 5.59 | 5.84 | -0.25 |
| Aug | 6.08 | 6.24 | -0.16 |
| Sep | 4.79 | 4.98 | -0.19 |
| Oct | 4.01 | 3.98 | 0.03 |
| Nov | 2.86 | 2.88 | -0.02 |
| Dec | 3.45 | 3.58 | -0.13 |
49.03 | 50.47 | -1.44 |