| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.74 | -0.11 |
| Feb | 3.14 | 3.23 | -0.09 |
| Mar | 3.89 | 4.07 | -0.18 |
| Apr | 3.59 | 3.65 | -0.06 |
| May | 3.50 | 3.47 | 0.03 |
| Jun | 4.06 | 4.17 | -0.11 |
| Jul | 3.69 | 3.80 | -0.11 |
| Aug | 4.10 | 4.02 | 0.08 |
| Sep | 3.64 | 3.76 | -0.12 |
| Oct | 3.10 | 3.16 | -0.06 |
| Nov | 3.23 | 3.30 | -0.07 |
| Dec | 3.60 | 3.76 | -0.16 |
43.17 | 44.13 | -0.96 |