| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.79 | 3.51 | 0.28 |
| Feb | 2.85 | 2.87 | -0.02 |
| Mar | 3.67 | 3.65 | 0.02 |
| Apr | 3.94 | 3.94 | 0.00 |
| May | 3.64 | 3.54 | 0.10 |
| Jun | 3.98 | 3.82 | 0.16 |
| Jul | 3.19 | 3.18 | 0.01 |
| Aug | 3.16 | 3.26 | -0.10 |
| Sep | 3.88 | 3.65 | 0.23 |
| Oct | 5.12 | 5.16 | -0.04 |
| Nov | 4.53 | 4.38 | 0.15 |
| Dec | 4.61 | 4.58 | 0.03 |
46.36 | 45.54 | 0.82 |