| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.57 | -0.06 |
| Feb | 0.49 | 0.50 | -0.01 |
| Mar | 0.96 | 0.86 | 0.10 |
| Apr | 1.26 | 1.12 | 0.14 |
| May | 2.88 | 2.96 | -0.08 |
| Jun | 3.76 | 3.92 | -0.16 |
| Jul | 3.58 | 3.55 | 0.03 |
| Aug | 2.59 | 2.70 | -0.11 |
| Sep | 2.23 | 2.23 | 0.00 |
| Oct | 1.76 | 1.88 | -0.12 |
| Nov | 0.81 | 0.87 | -0.06 |
| Dec | 0.68 | 0.80 | -0.12 |
21.51 | 21.96 | -0.45 |